how to write a topic sentence essay

How to Write a Topic Sentence (30+ Tips & Examples)

Writing the perfect topic sentence took me years to master.

After endless drafts, feedback sessions, and seeing what resonates with readers, I’ve distilled the ultimate guide to craft attention-grabbing, informative, and concise topic sentences.

Let’s dive into the essential tips for how to write a topic sentence.

What Is a Topic Sentence and Why Is It Important?

Table of Contents

A topic sentence introduces the main idea, usually appearing at the start of a paragraph.

It sets the tone for the entire paragraph by giving a glimpse of what’s coming. Think of it as a headline for each paragraph that keeps your writing clear and focused.

A strong topic sentence is important because:

• Grabs Attention: Captures the reader’s interest, encouraging them to keep reading.
• Guides Structure: Helps organize thoughts in a logical way.
• Provides Focus: Prevents rambling by clarifying the main point.

Types of Topic Sentences

Different types of topic sentences can fit various writing styles and purposes.

Understanding these types will help you select the best approach for your specific content.

• Declarative Statements: These are straightforward sentences that make a clear assertion. They introduce the main idea without any fluff or ambiguity. Example: “Water conservation is critical in regions prone to drought.”
• Interrogative Sentences: These topic sentences pose a question, encouraging readers to think critically and seek answers within the paragraph. Example: “How can sustainable practices help reduce waste in the fashion industry?”
• Complex Sentences: By combining independent and dependent clauses, these topic sentences present a nuanced main idea that prepares readers for a more detailed discussion. Example: “Although renewable energy sources are gaining popularity, fossil fuels still dominate the global energy sector.”
• Bridge Sentences: These link the preceding paragraph to the next, providing continuity and coherence in the overall structure. Example: “While electric vehicles offer a greener alternative to traditional cars, the infrastructure for widespread adoption remains lacking.”
• Contrasting Statements: These topic sentences highlight opposing viewpoints or circumstances, building intrigue and depth into the following paragraph. Example: “Despite the technological advancements in healthcare, access remains limited for underserved communities.”

My 30 Best Tips for Writing a Topic Sentence

Now let’s get into the main section of this guide — where you will learn all the best tips for writing a compelling topic sentence on any subject.

Tip #1: State the Main Idea Clearly

Make sure your topic sentence introduces the primary idea succinctly.

Avoid vague language or cluttered wording. Your reader should immediately understand the topic.

• Clear: “Recycling programs reduce landfill waste by promoting reusable packaging.”
• Unclear: “Programs for recycling can be a good thing because it’s important.”

Tip #2: Keep It Simple and Direct

A topic sentence should be straightforward. Avoid complex structures and over-complicated phrasing.

Shorter sentences work best.

• Simple: “Exercise improves mental health through endorphin production.”
• Complicated: “One can expect to experience benefits in their mental state with exercise due to the generation of endorphins.”

Tip #3: Link to the Previous Paragraph

Create a smooth flow by connecting ideas to the paragraph before.

Transition words like “similarly,” “however,” or “in contrast” help show relationships.

• Linked: “Similarly, the agricultural industry is also impacted by climate change.”
• Disjointed: “Farmers are struggling with erratic weather patterns.”

Tip #4: Avoid Announcing Your Intentions

Steer clear of sentences like “In this paragraph, I will discuss…” They sound amateurish and reduce reader engagement.

• Natural: “Effective communication skills are crucial for career advancement.”
• Announcing: “This paragraph will explain why communication skills are important.”

Tip #5: Vary Sentence Structure

Using the same structure repeatedly can bore readers.

Mix up your approach by experimenting with different forms like questions, facts, and lists.

• Varied: “How does cultural background influence consumer behavior?”
• Repetitive: “Consumer behavior is influenced by cultural background.”

Tip #6: Be Specific, Not General

A vague topic sentence leaves the reader confused. Instead, provide specific information to establish clarity and interest.

• Specific: “Remote work improves productivity by reducing commute times.”
• General: “Remote work is beneficial for many reasons.”

Tip #7: Reflect Your Argument’s Tone

Match your topic sentence with the tone of your argument. For serious discussions, avoid informal language.

• Formal: “The socioeconomic impact of urbanization requires comprehensive policy solutions.”
• Informal: “The effects of city living need some fixing.”

Tip #8: Include a Controlling Idea

The controlling idea limits the scope of the paragraph, ensuring the reader knows what to expect next.

• With Control: “Social media marketing increases brand visibility through targeted campaigns.”
• Without Control: “Social media is important.”

Tip #9: Use Active Voice

Active voice is more engaging and dynamic. It also provides clarity.

• Active: “New policies will reshape healthcare accessibility.”
• Passive: “Healthcare accessibility will be reshaped by new policies.”

Tip #10: Make It Unique

Avoid using overused phrases or predictable statements. Offer a fresh perspective to captivate your reader.

• Unique: “Biodegradable packaging is transforming the fast-food industry.”
• Cliché: “The fast-food industry is changing with new trends.”

Tip #11: Create Curiosity

Tease your reader by leaving questions unanswered. Encourage them to keep reading for more.

• Curious: “What are the unexpected benefits of rising inflation rates?”
• Blunt: “Rising inflation rates have some positive effects.”

Tip #12: Support Your Thesis

Your topic sentence should align with your overall thesis. It will give your argument more coherence.

• Aligned: “Reducing plastic waste aligns with our sustainability goals.”
• Unaligned: “Plastic recycling is controversial.”

Tip #13: Focus on One Point

Don’t overwhelm readers with multiple ideas in one topic sentence. Stick to one clear concept.

• One Point: “Artificial intelligence streamlines data analysis.”
• Too Broad: “Artificial intelligence changes marketing, finance, and data analysis.”

Tip #14: Use Key Terms From the Prompt (if applicable)

If you are responding to an assignment or specific topic prompt, make sure your topic sentence directly incorporates relevant keywords.

• Key Terms Included: “Global warming solutions must involve international cooperation.”
• Lacks Terms: “Solutions for the environment require cooperation.”

Tip #15: Offer Context

Provide some context in the topic sentence to frame the discussion, giving the reader essential background information.

With Context: “As urbanization accelerates, city infrastructure struggles to keep up.” Without Context: “City infrastructure is lagging.”

Tip #16: Incorporate Comparisons

Comparisons can clarify complex concepts and give readers a familiar reference.

• Comparison: “Just as the printing press revolutionized communication, the internet has transformed modern commerce.”
• No Comparison: “The internet has transformed modern commerce.”

Tip #17: Present Solutions

Offering a solution at the start engages readers who are seeking actionable advice.

• Solution: “Installing solar panels reduces energy bills while cutting carbon emissions.”
• Problem-Only: “High energy bills are a widespread issue.”

Tip #18: Address Common Misconceptions

Challenge preconceived notions to spark curiosity and highlight the importance of your argument.

• Challenging: “Despite common belief, vitamin supplements aren’t always beneficial.”
• Reinforcing: “Vitamin supplements have benefits.”

Tip #19: Use Emotional Appeals

Appeal to the reader’s emotions to deepen their connection to your writing.

• Emotional: “Volunteering at shelters uplifts communities and transforms lives.”
• Neutral: “Volunteering at shelters is helpful.”

Tip #20: Avoid Redundancy

Ensure your topic sentence adds new value. Avoid repeating points covered elsewhere.

• New Value: “Stronger copyright laws are crucial for protecting intellectual property.”
• Redundant: “Intellectual property needs stronger protection.”

Tip #21: Ask a Thought-Provoking Question

Pose a question that makes the reader stop and think. This engages them immediately.

• Provocative: “How will automation reshape the global workforce?”
• Plain: “Automation is changing the global workforce.”

Tip #22: Include an Action Verb

Action verbs add momentum and urgency to your topic sentence. They make your point more dynamic.

• Active Verb: “Investing in renewable energy fosters long-term economic growth.”
• Lacks Action: “Renewable energy investments are beneficial.”

Tip #23: Paint a Picture

Use descriptive language to help readers visualize your point.

• Descriptive: “Increased droughts have turned fertile farmlands into arid deserts.”
• Bland: “Droughts are affecting farmlands.”

Tip #24: Use Parallel Structure

Parallel structure involves repeating similar grammatical forms.

It makes your writing rhythmic and easy to follow.

• Parallel: “Tackling pollution requires reducing emissions, cleaning waterways, and limiting waste.”
• Non-Parallel: “Tackling pollution requires emission reductions, waterways cleaning, and limiting waste.”

Tip #25: Emphasize Urgency

Highlight the time-sensitive nature of your argument to create urgency.

• Urgent: “Immediate action is needed to prevent further deforestation.”
• Calm: “Deforestation is a concern.”

Tip #26: Highlight Contrasts

Contrasting different ideas helps to emphasize your point and draw clear distinctions.

• Contrast: “While technology creates new jobs, it also disrupts traditional industries.”
• No Contrast: “Technology affects the job market.”

Tip #27: Lead with a Statistic

Start with a compelling number to catch the reader’s attention and back up your argument.

• Statistic: “80% of small businesses struggle to comply with data privacy regulations.”
• General Statement: “Small businesses struggle with data privacy.”

Tip #28: Build on Existing Knowledge

Assume the reader has some background knowledge and expand on it.

• Builds On Knowledge: “With the rise of remote work, companies are rethinking their office spaces.”
• Basic Information: “Remote work is changing office spaces.”

Tip #29: Start with an Anecdote

A brief anecdote adds a human touch, creating an immediate connection with the reader.

• Anecdotal: “After years of burnout, Sarah switched to a part-time schedule to improve her work-life balance.”
• Abstract: “Work-life balance is important.”

Tip #30: Use an Engaging Metaphor

A metaphor can illuminate your argument in an unexpected way.

• Metaphor: “Effective teamwork is the glue that holds successful organizations together.”
• Literal: “Effective teamwork is important for organizations.”

Check out this video about how to write a topic sentence:

Final Thoughts: How to Write a Topic Sentence

Writing compelling topic sentences takes practice, but mastering this skill can transform your writing.

I hope this guides empowers you in your topic-sentence writing journey.

Beyond the topic sentence, there are other techniques and terms you really need to know to improve your writing.

Read This Next:

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What’s Covered:

• What Is a Topic Sentence?
• 5 Steps to Writing a Good Topic Sentence

Elements of a Good Topic Sentence

Common pitfalls to avoid.

• Where To Get Your Essay Edited For Free

Crafting the perfect essay takes time and dedication. There are so many elements you have to worry about, such as tone, purpose, and correct spelling and grammar. Writing a strong topic sentences is another critical part in writing a cohesive essay. 

Without a strong topic sentence, you risk losing your reader and perhaps part of your grade. If it’s a college admissions essay, then you need it to be as strong as possible to back up your application. Learn about what steps you should take to write a strong topic sentence.

What Is a Topic Sentence? 

People often confuse a topic sentence with a thesis statement. A thesis statement is typically at the end of your opening paragraph, that dictates the main argument you’ll be making in your essay. 

Throughout your essay, you’ll have multiple topic sentences, as each paragraph should start off with one. This beginning sentence is used to direct the topic of the paragraph and outline the flow of the following sentences. It’s used to help guide your reader and to continue to keep them hooked on your overall essay. Without topic sentences, your essay will be unorganized, lack transitions, and sound very choppy. To write a good topic sentence, there are several steps to take.

Writing a Good Topic Sentence: 5 Steps

Step 1: decide what you’re going to write about..

When you see the essay prompt, you’ll have some time to think through what you want to say and why. You have to decide if it’s a persuasive essay, informative, narrative, or descriptive. Determine your purpose for writing the essay after reading through the prompt. Whether it’s an assignment for school or if it’s to get into college, you need to make sure you have that purpose clearly outlined. 

Step 2: Create a thesis statement.

One of the first things you need to do is create a thesis statement. This is typically a sentence with three points that you’ll back up throughout your essay. 

For example: The Office became a cultural phenomenon because it spurred the careers of many of today’s successful movie stars, it talked about situations that most American workers can relate to, and even 15 years later, offers funny, relevant content that helps to break down prejudices. 

You then use that thesis statement to create an essay around the points you want to make. 

Step 3: Make your essay outline.

Once you have the points you want to make within your thesis statement hammered out, make an outline for your essay. This is where you’ll start to create your topic sentence for each paragraph. You want to clearly state the main idea of that paragraph in the very first sentence. From there, you back up that main idea with facts and reputable sources. Make sure your topic sentence is clear, but does not just announce your topic. 

For example, do not write something like: “In this paragraph, I will discuss why it’s bad that poachers are killing giraffes.”

Instead, write something that clearly states your idea with a reasonable opinion and that gives direction to the paragraph: “Giraffes are a key part of the African ecosystem, so it’s important to enforce regulations against the poachers who are killing them for their body parts.” 

You’d then follow that up with reasons why giraffes are a key part of the African ecosystem and how poachers are destroying their population.

Step 4: Begin writing your essay.

Once you have your thesis statement and you’ve created an outline with supporting paragraphs and their topic sentences, you can begin writing your essay. It’s important to make that outline before just jumping in–a disorganized essay can spell disaster for you as you continue to write, and could result in a poor grade. Many times, teachers will even require you to turn in your outline as part of your overall essay grade. 

Step 5: Proofread and check your resources.

After you’ve written the essay, go back through it with a fine tooth comb. Read through each topic sentence and the paragraphs that follow to ensure that you’ve written clear, solid topic sentences throughout and that the paragraphs with them make sense. During the proofreading phase, you also need to recheck the sources you’re using. Make sure each source is reputable. In other words, do not use sites like Wikipedia where anyone can go in and edit an article to add misinformation. Use sites that:

• Are actual reputable news sources, such as the New York Times , CNN, CBS News
• Have domain names that end in .edu or .gov
• Come from an encyclopedia, such as Encyclopedia Britannica

Using sites that are not reputable could jeopardize the validity of your argument. 

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Now that you know the steps to set yourself up for success when writing a topic sentence, there are certain elements that go into a quality first sentence. Always make sure that your topic sentence is the first sentence of a paragraph. You don’t want to make your reader hunt for the point you’re trying to make. Check out some key elements of a good topic sentence:

Make sure your topic sentence isn’t too vague.

You need a topic sentence that has some specifics to it. It also needs to hook in your reader in some way with an opinion. A vague sentence makes it harder to write a paragraph that can clearly backs up your thoughts. For example:

DON’T: “In Pride and Prejudice, Mr. Bingley seems like a nice guy.”

DO: “When Mr. Bingley is first introduced, he comes across as a kind person because he speaks to everyone and doesn’t immediately pass judgment.”

Choose a reasonable opinion.

Your topic sentence should clearly outline whatever point you’re trying to make in the paragraph, but you want to pick a reasonable opinion that you can easily reinforce with facts and statistics. Here’s an example of what you should and should not do:

DON’T: “It’s obvious that Mr. Bingley was a total loser with no backbone.”

DO: “Mr. Bingley could have shown more confidence in his choices and stood up to Mr. Darcy when he found himself in love with Jane Bennet.”

You can then back that up with facts, saying that he was a wealthy Englishman and thus one of the key players in society at the time, which should have given him more confidence. If he’d been more confident, perhaps he would not have left and devastated Jane.

Use your topic sentence as a transition.

Along with telling the reader the point of your next paragraph, your topic sentence should also serve as a transition from the previous paragraph. Without a transition, the essay can feel like it’s choppy and disjointed. For example:

DON’T: “Mr. Bingley is a good man and here’s why.”

DO: “Although Mr. Bingley did break Jane’s heart by leaving, he ended up redeeming himself by returning to Netherfield Hall.”

Keep your topic sentence short.

A long, drawn-out topic sentence can risk losing your reader. Many times, it’s hard to determine the point of a sentence when it goes on for too long. You want a clear, concise sentence that draws in the reader but also leaves some room for you to expand on it in the following paragraph.

DON’T: “Throughout the novel of Pride and Prejudice, Mr. Bingley was often quite different from Mr. Darcy as he would treat all people in a friendly manner, considering them all his friends and acquaintances, even agreeing to throw a ball after Elizabeth’s sisters rudely demanded he do so and was gracious to Mr. and Mrs. Bennet as well despite their manners.”

DO: “Overall, Mr. Bingley served as a foil to Mr. Darcy throughout the story by treating everyone around him equally with dignity and grace.”

Writing an essay can be overwhelming at times, but so long as you avoid some of these common pitfalls, it can be easier to get it done on time. 

Don’t wait until the last minute.

If your teacher assigns you an essay or tells you that you have an essay test coming up, don’t wait until the day before to do anything about it. You have to plan or study and you need to give yourself time to do that. If you know it takes you a while to write something, then start planning it as soon as you get the assignment.

Don’t forget to write an outline.

Along with planning, make sure you have that outline written up and planned out well. It will serve as your guideline for writing the essay. Without it, you’ll face the risk of a disorganized essay that does not clearly illustrate your point.

Ask for help if you need it.

This may be the most important pitfall to avoid. If you get in over your head while writing, don’t be afraid to ask for help. Ask a friend to review the essay or ask your teacher for guidance. 

Where to Get Your Essay Edited for Free

Once you’ve finished your essay, you may want additional input. There are tools out there to help, but CollegeVine’s free peer essay review tool can provide you with actionable feedback from students just like you. CollegeVine’s tool has helped many students and may be able to help you, too! Asking for peer feedback can help to refine your essay and it never hurts to have an extra set of eyes read through what you’ve written. Check out the free tool today!

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As a student, you have probably heard the term "topic sentence" thrown around a lot in your English or writing classes. But do you really understand what it means and how important it is for effective writing?

Well, many students struggle with crafting strong topic sentences that effectively convey their ideas. They may find themselves unsure of how to make their topic sentence stand out in a sea of other ideas.

In this blog, we will explore the art of writing a great topic sentence, with examples and tips to help you enhance your skills. By the end of this blog, you will have a better understanding of how to craft a topic sentence that will make your writing clear, concise, and engaging.

So let’s get started!

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What is a Topic Sentence?

A topic sentence is the first sentence of a paragraph in an essay that introduces the main idea or topic of that paragraph. It serves as a roadmap for the reader, letting them know what to expect in the upcoming paragraph. 

Purpose of Topic Sentence

The purpose of a topic sentence is to clearly and concisely convey the main point of the paragraph to the reader. 

It helps to guide the reader through the essay, making it easier for them to follow the overall argument or narrative.

Features of a Good Topic Sentence

A good topic sentence has a few key features. Let’s take a look: 

• Expresses the main idea of the paragraph or essay clearly and concisely.
• Is specific and focused , avoiding vague or overly general statements.
• Introduces the main point and is typically located at the beginning of the paragraph or essay.
• Presents a claim or position that is arguable or debatable, which the rest of the paragraph or essay will support.
• Can be a complete sentence or a concise phrase that effectively conveys the main idea.
• Is relevant to the thesis statement and overall topic of the essay.
• Engages the reader by creating interest and highlighting the significance of the topic.
• Is well-written and avoids grammar and spelling errors.
• Provides a roadmap for the rest of the paragraph or essay by indicating what will be covered.
• Encourages coherence and unity in the writing by linking the paragraph or essay to the broader topic.

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Types of Topic Sentences

There are several different types of topic sentences that can be used in writing to introduce the reader through a paragraph or essay.

Simple Statement Topic Sentence This is the most common type of topic sentence, which straightforwardly states the main point or idea of the paragraph or essay.

Example: The rise of social media has revolutionized the way people communicate with each other.

Complex Topic Sentence This type of topic sentence is more nuanced and may require some explanation or elaboration to fully understand.

Example: While the rise of social media has had many positive effects on communication, it has also led to concerns about privacy and online harassment.

Pivot Topic Sentence A pivot topic sentence begins by connecting the current paragraph or idea to the previous one, before pivoting to introduce a new point or idea.

Example: Building on the idea of social media's impact on communication, it is important to consider how it has also affected business and marketing strategies.

Question Topic Sentence A question topic sentence poses a question that the rest of the paragraph or essay will answer or explore.

Example: How has social media changed the way businesses interact with customers and advertise their products?

Command Topic Sentence This type of topic sentence gives a directive or instruction, often used in persuasive or argumentative essays.

Example: Support local businesses by shopping at independently owned stores instead of large chains.

How to Write a Topic Sentence?

Here are a few instructions to help you write a good topic sentence. 

Step#1 Clearly State The Main Idea

A topic sentence is the first paragraph of the paragraph. It must clearly explain the particular subject that would be discussed in the paragraph. This should be stated in very clear language so that the reader can easily understand the idea. 

Also, it should include a bit of your personal opinion and also the main idea. 

Step#2 Hook Your Reader

Grab your reader's attention with an intriguing topic sentence. It would excite and make the reader curious about the content and convince them to read the particular part. 

Look out for some amazing hook examples and see what fits your essay type. 

Use a meaningful and relevant question or a fact as a topic sentence of the paragraph. Make sure that you have identified your audience and are developing everything accordingly. 

Step#3 Keep It Short and Precise

The paragraph topic sentence must be expressive enough that a reader understands your point of view effortlessly. This is only possible if you keep everything to the point, short, and meaningful. 

Choose the words in such a way that they help you express your idea in an ideal way. Avoid using complex sentences and use independent clauses.  

A topic sentence acts as a link between a paragraph and the main thesis statement. It should be specific and connected to the overall essay. Keeping it short and precise helps maintain the paragraph's flow and its relevance to the rest of the writing.

Step#4 Give A Reasonable Opinion

The body paragraph explains a topic sentence. This is why it is important that you should write this sentence in such a way that it can be explained in the paragraph.  If you are mentioning a fact in the topic statement, make sure that you have authentic evidence to support it. 

While the topic sentence is an integral part of the paragraph, it should stand out and possess a distinctiveness that sets it apart from the other sentences. This can be achieved by employing transition words and establishing connections between sentences.

Step#5 Use The Topic Sentence As A Transition

The topic sentences that serve as transition sentences can be considered a guide for the readers. This way, they can help the reader to move through the essay in a flow. 

Write this sentence in such a way that it creates a gateway between the previous paragraph and the rest of the essay. Moreover, it will also help keep the essay organized, and the reader understands the point of a paragraph.

Step#6 Look For Some Good Examples

Examples can help you learn a thing in a better way. If you are new to writing topic sentences, it can help to look at some examples. Find some great examples of topic sentences relevant to your essay topic.

Difference Between Topic Sentence and Thesis Sentence

Here's a table outlining the differences between a topic sentence and a thesis statement:

Good Topic Sentence Examples

Here are ten examples of good topic sentences:

•  "Despite the advancements in technology, traditional forms of communication are still essential in today's society."
• "The theme of power is prevalent throughout Shakespeare's play, Macbeth."
• "In recent years, there has been a growing concern over the impact of climate change on our planet."
• "The legalization of marijuana has been a topic of debate for many years." "Education is the key to success in life."
• "The rise of social media has greatly impacted the way we communicate with one another."
• "The effects of childhood trauma can have a lasting impact on mental health."
• "The concept of justice is explored in depth in Harper Lee's To Kill a Mockingbird."
• "Eating a balanced diet is crucial for maintaining good health."
• "The Industrial Revolution had a profound effect on the world as we know it today."

The Bottom Line!

An opening sentence is crucial to grab your reader's attention and set the tone for your piece of writing. The topic sentence introduces the controlling idea and acts as an important sentence in the essay outline. 

Effective topic sentences are necessary for a well-structured and organized essay. It's an integral part of the writing process that should not be overlooked. 

Make sure to spend time crafting a compelling topic sentence that clearly conveys your main point and guides your readers throughout your essay. You can even take ideas from an AI essay generator to get started.

However, if you find yourself struggling to write a good opening sentence, don't worry! CollegeEssay.org is here to help you with all your writing needs. We have the best online essay writing service providing top-quality essays that are sure to impress your professors.

So, why wait? Contact our essay writing service now and take the first step toward academic success!

Frequently Asked Questions

How long is a topic sentence.

A topic sentence can be multiple sentences long. The first sets the context for your ideas, while the second provides more depth on what you are saying beyond just stating it outright.

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Barbara is a highly educated and qualified author with a Ph.D. in public health from an Ivy League university. She has spent a significant amount of time working in the medical field, conducting a thorough study on a variety of health issues. Her work has been published in several major publications.

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How to Write a Good Topic Sentence

Last Updated: June 26, 2024 Fact Checked

This article was co-authored by Megan Morgan, PhD . Megan Morgan is a Graduate Program Academic Advisor in the School of Public & International Affairs at the University of Georgia. She earned her PhD in English from the University of Georgia in 2015. There are 10 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 2,253,269 times.

Perfecting the skill of writing topic sentences is essential to successful writing. A topic sentence usually comes at the beginning of a paragraph and lets your reader know what to expect from each paragraph. Think of it as the preview for a movie or a headline in a newspaper, highlighting the “main point” that’s to come in that paragraph. [1] X Research source Make sure your topic sentences are up to par, and the rest of your writing will feel like a breeze.

Writing a Successful Topic Sentence

• Keep in mind that this is not an invitation to simply announce your topic. “Today I’m going to discuss the benefits of gardening” is not an effective topic sentence. You should be able to make your intentions clear without stating them explicitly.
• The topic sentence in this example states a clear direction (“health benefits of gardening”) that you can then elaborate on in your paragraph.

• Don’t write too vague or general an idea or you will never be able to discuss it in a single paragraph. This is too general: “The United States suffered a lot during the Civil War.”
• Don’t write too narrow of a statement. There’s nothing much to talk about then, because it’s probably a fact. This is too narrow: “Christmas trees are either cedars or firs."
• Instead, aim for a good balance: “Sherman’s destruction in the South during the Civil War also caused incredible suffering.” This is big enough to relate to the broader idea of an essay, but not so narrow that there’s nothing left to discuss.

• Describe a character. This can be a physical or emotional description.
• Use dialogue. If there is a relevant conversation that will attract your reader’s attention, consider using part of it to start your paragraph.
• Portray an emotion. Use the opening sentence to portray an emotion to your reader.
• Use detail. While you don’t want to write a run on sentence by creating too much detail, it’s a good idea to create interest using sensory language in your topic sentence.
• Avoid rhetorical questions. While you want your reader to formulate questions in his or her mind, you do not want to formulate the questions yourself.

• Avoid presenting only facts in your topic sentence. While facts may be interesting, they do not introduce the reader to your paragraph nor do they draw the reader in. If you wish to include a fact, also include your own input. For example, instead of writing “All dogs need food,” try “All dogs need regular care, including healthy food, and children are the best ones to do it.” Alternatively, save your facts to use as evidence in the body of your paragraph.

• Using transitional elements, such as “In addition” or “In contrast,” is a good way to show the relationship between your ideas.
• For example: “Although gardening has many health benefits, people still need to exercise caution when outside.” This topic sentence establishes a connection to the main idea of the previous paragraph (“health benefits of gardening”) and points to the direction of the new paragraph (“things to be cautious of”).

Planning Your Topic Sentences

• You don’t have to write a formal outline using Roman numerals and the like. Even a loose, idea-based outline can help you know what you want to discuss.

• A topic sentence, unlike a thesis statement, doesn’t have to present an argument. It can present a “preview” of what the paragraph will argue or discuss.

• For example, a topic sentence could look like this: “In addition, increasing funding for public roads in Jackson County will improve local residents’ quality of life.” The rest of the sentences in this paragraph would relate to the main idea of public roads and how they will help benefit local residents.
• This is not as successful a topic sentence: “Increased funding for public roads in Jackson County has decreased traffic by 20%.” While this is probably an interesting fact for your argument, it’s too narrow for a topic sentence. The topic sentence has to direct the whole paragraph.

Avoiding Common Problems

• Unless it is an opinion piece, avoid using ‘I’ in your topic sentences.

• Rather than stating something like “In the story, Amelia did many good things such as help out her friends, talk to her parents, and support her team at school” say something like “As a result of the many activities Amelia participated in, she was recognized for her positive influence on the community.”

Sample Topic Sentences

Community Q&A

• Avoid using words like you or we because it implies you know the reader, which you don’t. Thanks Helpful 0 Not Helpful 0
• In formal writing, avoid contractions such as “don’t,” “can’t,” and “isn’t.” Also avoid other common contractions like “would’ve” and “could’ve” which are commonly used. Instead type them out to look like “do not,” “can not”, “is not”, “would have”, and “could have.” Thanks Helpful 0 Not Helpful 0
• Type out all numbers under a ten. Thanks Helpful 0 Not Helpful 0

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• ↑ http://www.writing.utoronto.ca/advice/planning-and-organizing/topic-sentences
• ↑ https://wts.indiana.edu/writing-guides/paragraphs-and-topic-sentences.html
• ↑ https://owl.purdue.edu/owl/general_writing/academic_writing/paragraphs_and_paragraphing/index.html
• ↑ https://stlcc.edu/student-support/academic-success-and-tutoring/writing-center/writing-resources/topic-sentence-paragraph.aspx
• ↑ https://academicguides.waldenu.edu/writingcenter/paragraphs/topicsentences
• ↑ https://www.rit.edu/ntid/sea/processes/paragraph/process/sentence
• ↑ https://academicguides.waldenu.edu/writingcenter/writingprocess/outlining
• ↑ https://www.touro.edu/departments/writing-center/tutorials/topic-sentence/
• ↑ https://owl.english.purdue.edu/engagement/2/2/57/
• ↑ http://writingcenter.unc.edu/handouts/paragraphs/

About This Article

If you’re trying to write a good topic sentence, start by clearly stating your main idea, which should include the topic and the position you’re taking on it. Aim to write a sentence that’s broad enough for discussion but narrow enough to be covered in a single paragraph. If you can, start with a hook, like a detail, character, or emotion that would draw in your readers. For more advice from our reviewer on writing a good topic sentence, like how to make it effective while keeping it short and sweet, read on! Did this summary help you? Yes No

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Writing Topic Sentences — Purpose, Structure, and Examples

What is a topic sentence.

A topic sentence in academic writing identifies how a body paragraph relates to the overall purpose of an essay stated in the thesis statement . Topic sentences are usually at the beginning of a paragraph and identify the paragraph’s controlling idea.

While an essay’s thesis statement identifies the point of the essay in its entirety, the topic sentence has a much narrower focus, as it relates only to the paragraph in which it is located.

What is the purpose of a topic sentence?

The purpose of a topic sentence is to inform the reader of the main idea of the paragraph and how it connects to the overall objective of the essay. An effective topic sentence accomplishes one or more of the following:

Makes a claim

Supports other claims made in the paper

Identifies the purpose of the rest of the paragraph

Relates the paragraph to the purpose of the paper

Precedes information that defends a claim

How to write a topic sentence

To write a topic sentence, incorporate the following guidelines:

Determine the thesis of the essay.

Identify the main supports that help prove the thesis.

Use each main support to structure a topic sentence for each paragraph.

Compose a sentence that answers the following questions:

What will the paragraph prove?

How does the paragraph connect to the thesis?

Where is the topic sentence in a paragraph?

Topic sentences can be placed at the beginning or end of a paragraph.

Although it does not need to be the first sentence, the topic sentence should be placed at the beginning of the paragraph so the reader can quickly identify the purpose of the paragraph.

While not a common placement for a topic sentence, some writers use topic sentences at the end of a paragraph. Writers who choose this method want the reader to deduce the main point of the paragraph by presenting the evidence first.

Topic sentence examples

The following list identifies topic sentences based on the provided thesis statements for five-paragraph essays:

Thesis Statement: Capital punishment should be banned because it is inhumane, unconstitutional, and ineffective at deterring crime.

Support Paragraph 1 Topic Sentence: The inhumane nature of the death penalty proves it should be abolished.

Support Paragraph 2 Topic Sentence: Capital punishment should be outlawed because it violates the Constitution.

Support Paragraph 3 Topic Sentence: Because the death penalty does not effectively deter criminal behavior, states should not continue to use it.

Thesis Statement: College athletes should be financially compensated because they sacrifice their minds and bodies, cannot hold an outside job, and increase the school’s revenue.

Support Paragraph 1 Topic Sentence: Student athletes should be paid for their performance because of sports’ impact on their minds and bodies.

Support Paragraph 2 Topic Sentence: Because most college athletes cannot play their sport and hold a job, colleges should give them a living wage.

Support Paragraph 3 Topic Sentence: Student-athletes’ ability to increase their college’s revenue proves they should be awarded financial compensation.

Thesis Statement: Using alternative energy sources can help lessen the impact of global climate change.

Support Paragraph 1 Topic Sentence: Through the widespread use of solar power, countries can limit the environmental impact of other energy sources.

Support Paragraph 2 Topic Sentence: Utilizing more wind turbines as a power source can help mitigate the effects of climate change.

Support Paragraph 3 Topic Sentence: Using geothermal power will effectively decrease the world's reliance on fossil fuels.

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Using Topic Sentences

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What is a topic sentence?

A topic sentence states the main point of a paragraph: it serves as a mini-thesis for the paragraph. You might think of it as a signpost for your readers—or a headline—something that alerts them to the most important, interpretive points in your essay. When read in sequence, your essay’s topic sentences will provide a sketch of the essay’s argument. Thus topics sentences help protect your readers from confusion by guiding them through the argument. But topic sentences can also help you to improve your essay by making it easier for you to recognize gaps or weaknesses in your argument.

Where do topic sentences go?

Topic sentences usually appear at the very beginning of paragraphs. In the following example from Anatomy of Criticism , Northrop Frye establishes the figure of the tragic hero as someone more than human, but less than divine. He backs up his claim with examples of characters from literature, religion and mythology whose tragic stature is a function of their ability to mediate between their fellow human beings and a power that transcends the merely human:

The tragic hero is typically on top of the wheel of fortune, half-way between human society on the ground and the something greater in the sky. Prometheus, Adam, and Christ hang between heaven and earth, between a world of paradisal freedom and a world of bondage. Tragic heroes are so much the highest points in their human landscape that they seem the inevitable conductors of the power about them, great trees more likely to be struck by lightning than a clump of grass. Conductors may of course be instruments as well as victims of the divine lightning: Milton’s Samson destroys the Philistine temple with himself, and Hamlet nearly exterminates the Danish court in his own fall.

The structure of Frye’s paragraph is simple yet powerful: the topic sentence makes an abstract point, and the rest of the paragraph elaborates on that point using concrete examples as evidence.

Does a topic sentence have to be at the beginning of a paragraph?

No, though this is usually the most logical place for it. Sometimes a transitional sentence or two will come before a topic sentence:

We found in comedy that the term bomolochos or buffoon need not be restricted to farce, but could be extended to cover comic characters who are primarily entertainers, with the function of increasing or focusing the comic mood. The corresponding contrasting type is the suppliant, the character, often female, who presents a picture of unmitigated helplessness and destitution. Such a figure is pathetic, and pathos, though it seems a gentler and more relaxed mood than tragedy, is even more terrifying. Its basis is the exclusion of an individual from the group; hence it attacks the deepest fear in ourselves that we possess—a fear much deeper than the relatively cosy and sociable bogey of hell. In the suppliant pity and terror are brought to the highest possible pitch of intensity, and the awful consequences of rejecting the suppliant for all concerned is a central theme of Greek tragedy.

The context for this passage is an extended discussion of the characteristics of tragedy. In this paragraph, Frye begins by drawing a parallel between the figure of the buffoon in comedy and that of the suppliant in tragedy. His discussion of the buffoon occurred in a earlier section of the chapter, a section devoted to comedy. The first sentence of the current paragraph is transitional: it prepares the way for the topic sentence. The delayed topic sentence contributes to the coherence of Frye’s discussion by drawing an explicit connection between key ideas in the book. In essays, the connection is usually between the last paragraph and the current one.

Sometimes writers save a topic sentence for the end of a paragraph. You may, for example, occasionally find that giving away your point at the beginning of a paragraph does not allow you to build your argument toward an effective climax.

How do I come up with a topic sentence? And what makes a good one?

Ask yourself what’s going on in your paragraph. Why have you chosen to include the information you have? Why is the paragraph important in the context of your argument? What point are you trying to make?

Relating your topic sentences to your thesis can help strengthen the coherence of your essay. If you include a thesis statement in your introduction, then think of incorporating a keyword from that statement into the topic sentence. But you need not be overly explicit when you echo the thesis statement. Better to be subtle rather than heavy-handed. Do not forget that your topic sentence should do more than just establish a connection between your paragraph and your thesis. Use a topic sentence to show how your paragraph contributes to the development of your argument by moving it that one extra step forward. If your topic sentence merely restates your thesis, then either your paragraph is redundant or your topic sentence needs to be reformulated. If several of your topic sentences restate your thesis, even if they do so in different words, then your essay is probably repetitive.

Does every paragraph need one?

No, but most do. Sometimes a paragraph helps to develop the same point as in the previous paragraph, and so a new topic sentence would be redundant. And sometimes the evidence in your paragraph makes your point so effectively that your topic sentence can remain implicit. But if you are in doubt, it’s best to use one.

Essay Writing Guide

What Is A Topic Sentence

Last updated on: Jun 28, 2024

What is a Topic Sentence - An Easy Guide with Writing Steps & Examples

By: Nova A.

11 min read

Reviewed By: Melisa C.

Published on: Mar 12, 2019

A topic sentence is the opening sentence at the beginning of each paragraph. These sentences tell the readers about the main idea that will be discussed in that paragraph. 

It is the most important part of a body paragraph, and knowing how to write a good topic sentence is essential for writing an essay . However, writing an effective topic sentence could be tough. 

If you find it difficult to write clear and engaging topic sentences, you are not alone. But don’t worry! 

This blog will help you understand topic sentences better with examples. Also, you’ll get step-by-step guide and tips for writing more effective topic sentences. 

So let’s dive in!

On this Page

What is a Topic Sentence in a Paragraph?

A topic sentence is the opening sentence of the body paragraphs of your essay. It introduces the main idea of that paragraph.

So what is the purpose of a topic sentence? 

It serves as a guidepost, indicating the main purpose and point of the paragraph. Essentially, it is a concise and direct statement that captures the essence of what you want to convey.

A topic sentence is defined by the following characteristics:

• It is the first sentence of a paragraph
• It indicates the main idea of the paragraph
• Acts as a signpost and transition sentence, ensuring clarity and cohesiveness of an essay.

Why are Topic Sentences Important? 

Topic sentences are an essential component of body paragraphs , especially in academic writing which is more formal. Here’s why good these sentences are necessary for an essay:

• They help maintain the organization and coherence of the essay. 

Topic sentences act as a roadmap for your essay, providing a clear path for your readers to follow. They establish the main ideas or arguments of each paragraph, allowing your essay to flow logically and coherently. 

By presenting a central focus in each paragraph, they help you maintain a strong sense of organization. Also, they prevent your essay from becoming a jumbled collection of random thoughts.

• They enhance clarity and readability.

Well-crafted topic sentences promote clarity and conciseness in your writing by summarizing the main idea in a concise manner.

Moreover, they serve as signposts that signal the beginning of a particular discussion. This creates a smooth reading experience and reduces the chances of confusion.

• They help the reader skim through the essay.

These sentences provide readers with a preview of what each paragraph will discuss. This helps them grasp the main point before delving into the rest of the paragraph.

They also enable the readers to quickly grasp the content of a paragraph. This makes it easier for them to skim through the main ideas of the essay without reading it word-by-word.

Topic Sentence vs Thesis Statement: Main Differences

Topic sentences are similar to thesis statements as they fulfill a similar purpose: they show the reader what the paragraph or essay is about. 

However, a thesis statement is written at the end of the essay introduction, and it presents the main idea of the entire paper or essay. Whereas, a topic sentence presents the main idea of a specific paragraph, and is the first sentence of that paragraph.

Here are the major differences between topic sentences and thesis statements:

How to Write a Topic Sentence? Here are 4 Simple Steps 

If you think about it, writing such a sentence seems like a simple task. All you have to do is write one line about the idea you’ll discuss, and you’re done. 

Well, it’s not as easy as it sounds. You need to follow some conditions to write good opening lines for your body paragraphs. 

Here are the steps to write engaging topic sentences:

1. Develop your Thesis Statement 

Writing a specific and self-defining thesis statement is the first step in writing an essay. A thesis statement is necessary as it lays out the main points or structure of your entire essay. 

Having a thesis statement helps you figure out what your body paragraphs will be about. This, in turn, helps you identify each paragraphs controlling idea and craft a topic sentence.

2. Identify the Controlling Ideas of Your Body Paragraphs

Once you have a thesis statement for your essay, identify the main idea or central theme of the paragraphs.

Ask yourself, "What is the key point I want to convey in this paragraph?" This will serve as the focus and topic of your paragraph. Moreover, identifying your main points will also help you make an essay outline.

Here’s an example of how you can identify the main ideas of your body paragraphs:

3. Write your Topic Sentence

Now that you know the main idea of each paragraph, you should attempt to write your topic sentences. It is not necessary that you get the sentences right the first time. Try different variations and see which of the sentences explains the paragraph idea in a better way. 

Ensure that your topic sentence relates directly to your thesis statement or the main argument of your essay. The topic sentence should support and reinforce the overall message you want to convey in your writing.

The example below shows topic sentences based on the main ideas identified in step 2:

4. Revise and Make your Topic Sentences Better

A strong topic sentence should be clear, concise, and directly related to your thesis statement. They should also be logically connected to the previous paragraph. It is important that you revise, make them better, and rewrite the sentences as you progress with the paper. 

Make sure that they reflect the main theme of the paragraph and are according to the paragraph’s content. Use appropriate transition words for essays when transitioning from one paragraph to another.

Read on to learn about different types of topic sentences. They will help you to write, rewrite, and revise your opening sentences in the best ways.

What are the Different Types of Topic Sentences?

Here are some common types of topic sentences you can incorporate in your essay.

[Infographic]

• Statement of Fact or Information

This type of topic sentence presents a straightforward statement of fact or information that sets the stage for the paragraph. It provides essential background knowledge or introduces a key concept. 

• Hook or Shocker  

This kind of sentence presents a shocking statement of fact about the paragraph’s key idea. This type of topic sentence aims to grab the reader’s attention and make them want to read more. 

• Illustration or Example

An illustration or example topic sentence provides a specific instance or anecdote to support the main idea of the paragraph. It helps to clarify and reinforce your argument by providing concrete evidence or a real-life scenario. 

• Question or Thought-Provoking Statement  

A topic sentence in the form of a question or thought-provoking statement engages readers by encouraging them to seek an answer. It stimulates curiosity and anticipation for what follows in the paragraph. 

You can also watch this video that explains topic sentences in a simple way: 

Topic Sentence Examples

‘What is a topic sentence example?’

Check out some helpful and effective topic sentence examples to help you get started.

• Professional baking is a lot more than mixing some flour, eggs, and sugar into a bowl and putting it into the oven; it requires precision, attention to detail, and dedication to the craft.
• Writing is a thorough and time-consuming process, but with some dedicated practice, you can become a better writer.
• Learning a foreign language opens doors to several new opportunities that are not only available when a person is familiar with his mother tongue. 
• Home remodeling is an exciting project, but without proper designer skills and taste, it could turn into a disaster.
• Several human activities are the main reasons behind global environmental pollution, and excess usage of plastic is one such cause.

Helpful Tips for Writing Better Topic Sentences 

You’ve read some great examples, but how can you write similarly effective topic sentences yourself? Here are some amazing tips to help you out.

• Be Clear and Concise: Focus on expressing the main idea of the paragraph in a concise and direct manner. Avoid unnecessary details or convoluted language that may confuse your readers.
• Consider the Paragraph's Focus: Avoid including multiple ideas or concepts within a single topic sentence. Instead, focus on one central point for each paragraph.
• Vary Your Sentence Structure: To maintain reader interest and engagement, vary the structure of your topic sentences. Experiment with different types, such as simple sentences, rhetorical questions, or even shocking facts.
• Use Strong and Descriptive Language: Choose powerful and descriptive words that accurately capture the essence of your main idea. Avoid vague or generic language that lacks impact. Instead, opt for words that evoke emotions or create vivid imagery.
• Seek Feedback: Consider sharing your writing with others and seeking feedback on your paragraphs. Ask for input on clarity, coherence, transitions, and overall effectiveness.

A great topic sentence directs the reader about the main content of the paragraph. It is brief and engages the reader. 

Remember, mastering the art of writing effective topic sentences takes practice and refinement. As you develop your writing skills, focus on crafting clear and engaging topic sentences that align with your thesis statement.

However, we understand that writing essays can still be challenging, especially when faced with tight deadlines or complex assignments.

That's where 5staressays.com comes in! 

If you’re short on time or lack good writing skills, you can team up with a professional essay writer. Our ‘ write my essay ’ service works with professional and subject-expert writers that help you write engaging and A-worthy essays. 

So contact us and get quality papers at the most pocket-friendly rates!

Frequently Asked Questions

Where is the topic sentence located in your essay.

Topic sentences come at the beginning of body paragraphs. They are the first sentence of a paragraph and introduces the main idea of that paragraph. 

Can a topic sentence be a question?

Yes, a topic sentence could be a question. You can use a rhetorical question or an interrogative sentence to engage your reader and encourage them to read on.

How long is a topic sentence?

It depends on the depth of the idea. Usually, it is just one sentence, but in some cases, it could be composed of two sentences. However, the first few lines of the paragraph should be able to present its main idea effectively.

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As a Digital Content Strategist, Nova Allison has eight years of experience in writing both technical and scientific content. With a focus on developing online content plans that engage audiences, Nova strives to write pieces that are not only informative but captivating as well.

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Your chance of acceptance, your chancing factors, extracurriculars, writing a strong topic sentence.

So, I've been working on my essays, but I always get stuck with writing a good topic sentence that hooks the reader in. Any tips on how to create a strong topic sentence for my essays? Would really appreciate some advice!

It's important to make a strong impression with your topic sentence, as it sets the tone for the rest of your essay. Here are some tips to help you write a compelling topic sentence:

1. Start with a question: Posing a question at the beginning of your paragraph can immediately engage the reader and make them curious about the answer. For example, "What do a broken guitar string and a weekend volunteering at a homeless shelter have in common?" This sentence piques the reader's interest while hinting at the content to follow.

2. Use vivid language or imagery: Incorporate descriptive words and phrases to paint a picture in the reader's mind. For example, "As I stood at the edge of the cliff, bathed in the golden glow of a setting sun, I knew I wanted to pursue a career in environmental sustainability." This sentence uses evocative language to set the scene while introducing the essay topic.

3. Make a bold statement or claim: Starting with a strong assertion can immediately capture the reader's attention and make them want to read more. For example, "I discovered that winning a debate competition isn't always about being right, but about understanding your opponent's perspective and connecting with your audience." This statement shares an insight while offering a glimpse of the essay's self-growth theme.

4. Use an anecdote or personal experience: Sharing a relevant story can build an emotional connection with the reader right from the start. For example, "Growing up watching my mom juggle three jobs to support our family taught me the importance of determination and hard work." This sentence reveals personal context while introducing the essay's focus.

5. Create contrast or surprise: Presenting an unexpected or contrasting idea can capture the reader's interest as they try to reconcile the conflicting elements. For example, "While most people dread the sound of a dentist's drill, it's that very noise that inspired my passion for dentistry." This sentence presents an unconventional perspective that will make the reader want to learn more.

Remember: Keep your topic sentence concise, clear, and relevant to the rest of your essay. Experiment with different approaches and choose the one that best suits the message and tone you want to convey. Good luck with your essays!

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Paragraphs: Topic Sentences

Topic sentences video playlist.

Note that these videos were created while APA 6 was the style guide edition in use. There may be some examples of writing that have not been updated to APA 7 guidelines.

• Academic Paragraphs: Introduction to Paragraphs and the MEAL Plan (video transcript)
• Academic Paragraphs: Examples of the MEAL Plan (video transcript)

The best way to understand the role of the topic sentence in paragraph development is to imagine that any given paragraph is a miniature essay that has its own thesis, support, and conclusion. The parts of a paragraph easily correspond to the parts of an essay:

Just as an effective essay starts off with an introduction that presents the paper's thesis statement and indicates the specific claim or argument that the essay will develop, each paragraph should begin with a topic sentence that indicates the focus of that paragraph, alerting the reader to the particular subtopic that the paragraph will provide evidence to support.

A strong topic sentence should be placed at or near the beginning of a paragraph. In addition, this sentence should focus on a specific issue, avoid the use of direct quotations, and leave room for support and analysis within the body of the paragraph. Read on to learn more about creating an effective topic sentence.

The topic sentence does not have to be the first sentence in the paragraph; however, it should come early in the paragraph in order to orient the reader to the paragraph's focus right away. Occasionally a writer may place a transition sentence before the topic sentence, to create continuity between topics.

Topic Sentence to begin paragraph:

In the novel Sula , Morrison uses the physical bonds of female friendship to propel her characters into self-awareness.

Transition Sentence + Topic Sentence to begin paragraph:

However, Morrison does not only use the emotional and spiritual bonds between her female characters to initiate their coming-of-age. In addition, the author uses the physical bonds of female friendship to propel her adolescent protagonists into self-awareness.

Specificity

Your topic sentence should be more narrowly focused than your thesis sentence, and you will want to make sure the claim you are making can be supported, argued, and analyzed within the body of your paragraph.

Example: In the novel Sula , Morrison uses the physical bonds of female friendship to propel her characters into self-awareness.

In this topic sentence, the essayist is arguing that physical bonds of friendship, specifically, make the female characters more self-aware. Because this idea can be refuted or supported by readers (based on how successfully the essayist persuades his or her readers with examples and analysis from the novel), and because the claim is narrow enough to address within a single paragraph, the above sentence is a successful topic sentence.

Direct Quotations (Are Best Avoided)

Although it might be tempting to begin a paragraph with a compelling quotation, as a general rule, topic sentences should state the main idea of the paragraph in your own words. Direct quotations have a place later in the paragraph, where they may be incorporated to support the topic sentence.

Needs Improvement: As Morrison (1982) conveyed, the girls' "friendship let them use each other to grow on…they found in each other's eyes the intimacy they were looking for" (p. 52).

Better: In the novel Sula , Morrison uses the physical bonds of female friendship to propel her characters into self-awareness. Pointing to the connection of eyes meeting and bodies growing together, Morrison makes coming-of-age an interactive physical process between the adolescent protagonists. Specifically, Morrison describes how Sula and Nel have used "each other to grow on…they found in each other's eyes the intimacy they were looking for" (p. 52).

In this second paragraph, the topic sentence appears first, immediately orienting readers to the main focus (or topic) of the paragraph. The quotation is used later in the paragraph as a form of evidence or support for the topic sentence.

If you are finding it challenging to create effective topic sentences, you might consider outlining before beginning to write a paper. The points and subpoints of an outline can then become the topic sentences for the paper's paragraphs.

Additionally, because the topic sentence functions similarly at the paragraph level to the thesis at the essay level, you may also find it helpful to check out our thesis statement construction information. Our resource on paragraphs has helpful information about the scope of a paragraph, as well.

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What is a Topic Sentence? (Definition, Examples, How to Use)

What is a topic sentence ? A topic sentence , the first sentence of a paragraph, presents the main concept discussed in the paragraph. It must contain sufficient information to support numerous examples and subtopics without being too broad to obscure the essay’s intended purpose. The remaining sentences in the paragraph will act as supporting statements, providing evidence and examples for the main idea.

Importance of topic sentences

In essays or articles , where subjects can shift from one paragraph to another, a topic phrase is particularly crucial. The topic sentences, superficially, may seem to serve the purpose of only acting like the initial or introductory sentence of a paragraph. But it has numerous other purposes that make it an important part of essays.

• Topic sentences link paragraphs together to improve the sentence flow and make reading easier. When topic sentences are not used, switching between paragraphs can feel abrupt and jarring to the reader. Authors can maintain the rhythm of their writing using topic sentences and facilitate smooth transitions.
• Topic sentences show the reader a sample of what to expect from the paragraph. The readers can determine from the topic sentence whether the paragraph will comprise a narrative, a list, anecdotal evidence, statistical data, persuasive opinions, or some other form of evidence.
• If two conflicting viewpoints are presented in a single paragraph, authors can use more than one topic sentence to inform the readers about the changes in the main concept. For example, paragraphs that “compare and contrast” require more than one topic sentence. In these kinds of paragraphs, authors can start with a topic sentence introducing the first idea and follow it up with proof or evidence supporting the idea. Then they can introduce the second topic sentence conveying the opposing viewpoint, followed by proof or evidence supporting it.

Different types of topic sentences

The different types of topic sentences include:

Simple statement

This topic sentence is used by authors to make a general observation or statement and then elaborate on it in the body of the paragraph.

New studies are emerging indicating the link between climate change and the emergence of numerous new virus strains.

Interrogative or question

This is used by writers in less formal settings. Authors can start a paragraph using implicit or explicit questions related to the topic of discussion to engage the readers.

How many nations are ready to adapt to rising sea levels?

Complex topic sentences are used when the author is discussing a complicated concept that encompasses multiple ideas. Such topic sentences cover more than a single core idea.

Although many people believe that a mother bird will reject its chick if it is touched by humans, the truth is that birds do not abandon their babies after humans touch them.

Authors can use their topic sentences to make explicit demands or pleas to their readers. This will be helpful in breaking the monotony of the essay.

Let’s look at the data from the latest research.

Purely transitional

Though topic sentences are generally responsible for facilitating a smooth transition between paragraphs, occasionally they are purely transitional. These function best when the main topic shifts abruptly by highlighting the switch.

But not everybody agrees.

Pivot sentences are not found at the beginning of a paragraph but rather in the middle, indicating a change in the topic. Conjunctive adverbs like however, furthermore, and meanwhile are frequently used with them.

However, the undisputed king of tennis, Roger Federer, was dethroned in 2008 at Wimbledon.

How to create good topic sentences

A good topic sentence can be created using some simple steps:

1. Determine the key point of your essay

Writers should first form an understanding of the topic of the essay and then create topic sentences to attract the attention of readers. Constructing a good thesis statement can assist the writer in forming better topic sentences.

2. Have an outline for the essay

The author should form a plan or roadmap beforehand on the topics they want to discuss in a paragraph and the evidence they want to use as supporting statements.

3. Be coherent and clear

Writers should make their topic sentences clear and comprehensible so that the reader can form a clear understanding of what to expect in the paragraph.

4. Share opinions

It is advisable to share the opinion or viewpoint of the author in the topic sentence to attract the attention of the reader. Authors should also refrain from writing obvious facts in the topic sentences.

5. Use specific wordings

The topic sentences ought to be precise enough so that the authors can use a few sentences in the paragraph to support them.

6. Transitions should be added between paragraphs

To give the essay or paper a throughline, authors can create topic sentences that refer to the prior paragraph. A topic sentence can make a reference to the preceding paragraph while introducing the next part by using transitional words.

7. Use new, relevant information

Instead of using an obvious fact that everybody knows as the topic sentence, authors can give new information. It is also important to present them in an interesting way.

8. Create a compound or complex topic statement

Compound or complex topic statements feel advanced and stronger. Authors can create such topic statements to add a high level of sophistication to their text.

Many beginner writers and students confuse thesis statements with topic sentences. In essence, thesis statements establish the major idea discussed in the entire essay or paper, as opposed to topic sentences, which introduce the central concept of a paragraph.

Both of these sentences are responsible for giving the readers a sample of what to expect, but in entirely different capacities. Suppose a person is writing a thesis about the different compounds present in coffee and the health benefits it offers.

The thesis statement will be a generalized statement indicating that there are numerous compounds in coffee that benefit the health of humans. But the topic sentence of each paragraph will introduce any single health benefit or compound present in the coffee.

Topic sentences are typically found at the beginning of a paragraph. But this does not mean that they cannot be placed elsewhere in the paragraph. In some cases, when the details discussed can be summarized into a general statement, topic sentences can be included at the end.

Similarly, in some paragraphs where multiple concepts are discussed, topic sentences may be used in the middle of the paragraph. The placement depends on the number of topics being discussed and the way they are discussed.

• Merriam Webster – topic sentence – Definition
• Wikipedia – Topic sentence
• wikiHow – How to Write a Good Topic Sentence
• Scribbr – How to Write Topic Sentences | 4 Steps, Examples & Purpose

Inside this article

Fact checked: Content is rigorously reviewed by a team of qualified and experienced fact checkers. Fact checkers review articles for factual accuracy, relevance, and timeliness. Learn more.

About the author

Dalia Y.: Dalia is an English Major and linguistics expert with an additional degree in Psychology. Dalia has featured articles on Forbes, Inc, Fast Company, Grammarly, and many more. She covers English, ESL, and all things grammar on GrammarBrain.

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How to write a topic sentence

Published March 26, 2021. Updated June 2, 2022.

A topic sentence definition

A topic sentence provides a focus for each body paragraph of the paper by stating the main idea and relating it back to the thesis statement.

Overview of a topic sentence

A topic sentence is an overview of a claim for the paragraph. It is a clear, direct statement that establishes the purpose of writing. It also gives the reader a preview of the order in which you will write the paragraph. The first step is to write the thesis statement. The next step is to outline the paper. A clear outline will help to organize the ideas, research, and evidence into paragraphs. Once the thesis statement and an outline for the paper are created, the topic sentences should be drafted. Be sure your topic sentence reviews what you wrote in the previous paragraph and previews what you will say in the next. Consider the relationship between the paragraphs to know what type of transition to include in your topic sentence.

Worried about your writing? Submit your paper for a Chegg Writing essay check , or for an Expert Check proofreading . Both can help you find and fix potential writing issues.

The first step in drafting a good topic sentence begins before you even consider writing it. The first step is actually to write your thesis statement. Your thesis statement is the guide to your whole paper. Each topic sentence should help defend, explain, or support your thesis statement. Therefore, without a thesis statement, your topic sentences will likely lack direction.

Next, outline your paper. A clear outline will help you organize your ideas, research, and evidence into paragraphs. Since the purpose of a topic sentence is to provide a guide for a paragraph, you need to know what you will write in the paragraph before you can write the topic sentence.

Once you have a thesis statement and an outline for your paper, you should draft your topic sentences. You can include these in your outline or simply transfer them to the first draft of your paper. When writing your topic sentence, you will want to think about the main idea of the paragraph and how that main idea relates back to your thesis statement.

For the purpose of this article, imagine that you are writing a paper on the role that propaganda played in World War II. A sample thesis statement for this paper might read as follows:

The Allies and the Axis powers used propaganda during World War II to bolster support for the war, increase nationalism, and promote their cultural identities.

From this thesis statement, you could create topic sentences around the three listed ideas. However, the topic sentence should not just restate the idea from the thesis statement. Instead, the topic sentence needs to introduce what you will say about that topic.

Vague topic sentence: The Allies used propaganda to bolster support for the war.

Specific topic sentence: While many American citizens still believed the US should maintain a foreign policy of isolationism, the American government was able to encourage involvement in the global conflict through a sweeping campaign of pro-war and anti-Nazi propaganda.

Adding transitions to topic sentences

Another job of a topic sentence is to smoothly link your ideas together in your paper. You can do so by incorporating transition words and phrases into each topic sentence. A good way to remember to add a transition to your topic sentence is with the phrase “review and preview.” Your topic sentence should review what you wrote in the previous paragraph and preview what you will say in the subsequent paragraph.

To decide what type of transition to use, consider the relationship between the two paragraphs. Knowing how the paragraphs relate will help you choose a transition that clearly explains that relationship to your reader. Some common transition types include expansion and compare/contrast.

Using transitions to show expansion

If the purpose of the paragraph you are writing is mostly the same as that of the previous paragraph, but you want to add on or present new evidence, use transitions that show expansion.

Some common transition words to show expansion include additionally, also, furthermore , and likewise . Using one of these words in a well-written topic sentence that “reviews and previews” the information will help the reader understand that you are still explaining the same idea but adding more information.

Consider the topic sentence from the previous example:

While many American citizens still believed the US should maintain a foreign policy of isolationism, the American government was able to encourage involvement in the global conflict through a sweeping campaign of pro-war and anti-Nazi propaganda.

If you wanted to add more information about how the US used propaganda, you may write your next topic sentence as follows:

In addition to swaying some American citizens from their support of isolationism, the government’s extensive propaganda campaign also increased nationalism.

Notice how the words “in addition” and “also” indicate that this paragraph will add on to the ideas presented in the previous paragraph but with a slightly different focus. Also take note of how the first part of the topic sentence (“In addition to swaying some American citizens from their support of isolationism”) reviews the main idea of the previous paragraph, and the second half of the topic sentence (“the government’s extensive propaganda campaign also increased nationalism”) previews the main ideas of this paragraph.

Using transitions to show compare and contrast

If the purpose of the paragraph you are writing is to highlight a similarity or difference between what you are about to write and what you wrote in the previous paragraph, you will want to use transitions that show comparison or contrast.

Some common transition words to show comparison include similarly, likewise , and in the same way . Some common transition words to show contrast include conversely, however , and in contrast .

Imagine that you wanted the purpose of the next paragraph in your paper on World War II propaganda to show the similarities between German propaganda and American propaganda. You may write the following:

The Nazi party of Germany used propaganda in similar ways as the US government to encourage support for the war.

The phrase “in similar ways” indicates that what you will write in this paragraph will be similar to what you wrote in the previous paragraph.

If you wanted to show a difference between the use of propaganda in the United States and its use in Germany, you could write a topic sentence using contrasting transition words:

However, instead of just using propaganda to increase nationalism in Germany, the Nazi party also used it to spread anti-Semitism.

The phrases “however” and “instead of” indicate that this paragraph will begin to discuss propaganda in a different way than in the previous paragraph.

Before you turn in that paper, don’t forget to cite your sources in APA format , MLA format , or a style of your choice.

Key takeaways

• A topic sentence provides focus for each body paragraph of your paper by stating the main idea and relating it back to your thesis statement.
• Write your thesis statement and paper outline before writing the topic sentences.
• Be sure your topic sentence reviews what you wrote in the previous paragraph and previews what you will say in the next.
• Consider the relationship between the paragraphs to know what type of transition to include in your topic sentence.

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Topic Sentence: Definition, Examples and Useful Tips for Writing A Topic Sentence

When writing, there are many aspects which we need to take into consideration. One such aspect is the topic sentence, but how do we use this? In this article, we are looking at what the topic sentence is and how it is used within a piece of writing . We are also going to be looking at a variety of examples to give us a better understanding of its function.

Topic Sentence

What is a topic sentence.

Some might say that the topic sentence is one of the most important aspects and definitely the most vital sentence within a paragraph . In some cases, you might hear the topic sentence is referred to as the focus sentence but these are essentially the same thing.

A topic sentence is used to summarise all of the information within a paragraph. When writing in a more formal style, the topic sentence will usually feature at the beginning of the paragraph, although this is not a set rule.

What Is A Topic Sentence Used For?

A writer will use a topic sentence as a way of explaining to the audience what the paragraph is going to be about. Any sentences which appear after the topic sentence should give further information about the topic sentence or should give facts about it in order to prove the claim that it has made. The following sentences might also serve as a way to further describe the topic sentence by giving more details about it. For example, if the topic sentence is about animals kept as domestic pets, the following sentences should relate back to that subject.

On top of this, the topic sentence should always refer back to the thesis statement which was made at the beginning of the essay . You can imagine the thesis statement as being a map which directs the reader as to where you are going with the information and how it is being treated.

Controlling Ideas

When writing a topic sentence, each one should feature a controlling idea. This will serve as an indicator as to where the rest of the paragraph will go and what will be discussed.

Topic Sentences Examples

Now that we are clear on what a topic sentence is, we are going to take a look at some examples to further grow our understanding of them.

• ‘There are a lot of reasons why (name of a city) is the most polluted in the world.’

The controlling topic here is that there are ‘a lot of reasons’ and the topic is that a certain town is the most polluted.

• ‘In order to be an effective manager, one must have certain qualities.’

The topic of this sentence is being an effective manager and it has a controlling idea of ‘certain qualities.’

• ‘There are a lot of factors which contribute to global warming .’

This sentence has a topic of global warming whilst the controlling idea is related to ‘factors which contribute.’

• ‘We can improve teen pregnancy rates by improving education.’

The topic of this sentence in that teen pregnancy can be improved and the controlling idea is ‘improving education.’

How To Write A Topic Sentence

When it comes to writing a good topic sentence, there are many things that you should take into consideration before you put pen to paper. We are now going to look at the various steps you should take in order to write an effective and strong topic sentence.

Write Your Thesis Statement

Before you can write a topic sentence, you must have a thesis statement. This should be strong and be effective in summing up the purpose of the essay as well as the main argument.

Outline Your Essay And Draft Out The Topic Sentences

The next step is to create your essay outline, this will give your essay structure and will allow you to detail what is going to be discussed in each paragraph. You will also make note of what data and evidence will be included in each of the paragraphs.

This is the point where you can play with words and draft up some topic sentences for each of your paragraphs. A topic sentence needs to be much more specific than your thesis statement but it should relate clearly to it.

Expand With Some Evidence

The remaining sentences within your paragraph should logically flow from the original topic sentence. They should be used to expand on what has been said in the topic sentence. This will not only make your workflow but will also ensure that each paragraph remains focused and relevant to the topic sentence. You should give some evidence to support your topic sentence.

Revise The Topic Sentences

What your topic sentence looks like to begin with may not be how it ends up in the final draft and that is OK. It is very important that you look over and edit each topic sentence within the essay as you go along. This will ensure that they remain relevant to the content of your paragraphs.

When making the final edits for your topic sentences, you should ensure that they are clear enough to allow the reader to know what the paragraph is going to be about but also not so clear that they detail everything you wish to talk about within that paragraph.

Transitions

Your topic sentence will sometimes serve as a transition between your paragraphs and in this case, they may do one of the following things:

• Compare and contrast
• Emphasise or expand

A topic sentence is one which appears, usually (but not always) at the beginning of each paragraph of an essay. The topic sentence is used to layout the ideas and arguments that will be covered within the paragraph and should be carefully planned out to ensure that they are clear enough to give the reader an idea of what will be discussed but not to give away too much about the content of the paragraph. Your topic sentence may serve one of many purposes including summarising and comparing.

Topic Sentence Infographic

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Example of a Great Essay | Explanations, Tips & Tricks

Published on February 9, 2015 by Shane Bryson . Revised on July 23, 2023 by Shona McCombes.

This example guides you through the structure of an essay. It shows how to build an effective introduction , focused paragraphs , clear transitions between ideas, and a strong conclusion .

Each paragraph addresses a single central point, introduced by a topic sentence , and each point is directly related to the thesis statement .

As you read, hover over the highlighted parts to learn what they do and why they work.

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Table of contents

Other interesting articles, frequently asked questions about writing an essay, an appeal to the senses: the development of the braille system in nineteenth-century france.

The invention of Braille was a major turning point in the history of disability. The writing system of raised dots used by visually impaired people was developed by Louis Braille in nineteenth-century France. In a society that did not value disabled people in general, blindness was particularly stigmatized, and lack of access to reading and writing was a significant barrier to social participation. The idea of tactile reading was not entirely new, but existing methods based on sighted systems were difficult to learn and use. As the first writing system designed for blind people’s needs, Braille was a groundbreaking new accessibility tool. It not only provided practical benefits, but also helped change the cultural status of blindness. This essay begins by discussing the situation of blind people in nineteenth-century Europe. It then describes the invention of Braille and the gradual process of its acceptance within blind education. Subsequently, it explores the wide-ranging effects of this invention on blind people’s social and cultural lives.

Lack of access to reading and writing put blind people at a serious disadvantage in nineteenth-century society. Text was one of the primary methods through which people engaged with culture, communicated with others, and accessed information; without a well-developed reading system that did not rely on sight, blind people were excluded from social participation (Weygand, 2009). While disabled people in general suffered from discrimination, blindness was widely viewed as the worst disability, and it was commonly believed that blind people were incapable of pursuing a profession or improving themselves through culture (Weygand, 2009). This demonstrates the importance of reading and writing to social status at the time: without access to text, it was considered impossible to fully participate in society. Blind people were excluded from the sighted world, but also entirely dependent on sighted people for information and education.

In France, debates about how to deal with disability led to the adoption of different strategies over time. While people with temporary difficulties were able to access public welfare, the most common response to people with long-term disabilities, such as hearing or vision loss, was to group them together in institutions (Tombs, 1996). At first, a joint institute for the blind and deaf was created, and although the partnership was motivated more by financial considerations than by the well-being of the residents, the institute aimed to help people develop skills valuable to society (Weygand, 2009). Eventually blind institutions were separated from deaf institutions, and the focus shifted towards education of the blind, as was the case for the Royal Institute for Blind Youth, which Louis Braille attended (Jimenez et al, 2009). The growing acknowledgement of the uniqueness of different disabilities led to more targeted education strategies, fostering an environment in which the benefits of a specifically blind education could be more widely recognized.

Several different systems of tactile reading can be seen as forerunners to the method Louis Braille developed, but these systems were all developed based on the sighted system. The Royal Institute for Blind Youth in Paris taught the students to read embossed roman letters, a method created by the school’s founder, Valentin Hauy (Jimenez et al., 2009). Reading this way proved to be a rather arduous task, as the letters were difficult to distinguish by touch. The embossed letter method was based on the reading system of sighted people, with minimal adaptation for those with vision loss. As a result, this method did not gain significant success among blind students.

Louis Braille was bound to be influenced by his school’s founder, but the most influential pre-Braille tactile reading system was Charles Barbier’s night writing. A soldier in Napoleon’s army, Barbier developed a system in 1819 that used 12 dots with a five line musical staff (Kersten, 1997). His intention was to develop a system that would allow the military to communicate at night without the need for light (Herron, 2009). The code developed by Barbier was phonetic (Jimenez et al., 2009); in other words, the code was designed for sighted people and was based on the sounds of words, not on an actual alphabet. Barbier discovered that variants of raised dots within a square were the easiest method of reading by touch (Jimenez et al., 2009). This system proved effective for the transmission of short messages between military personnel, but the symbols were too large for the fingertip, greatly reducing the speed at which a message could be read (Herron, 2009). For this reason, it was unsuitable for daily use and was not widely adopted in the blind community.

Nevertheless, Barbier’s military dot system was more efficient than Hauy’s embossed letters, and it provided the framework within which Louis Braille developed his method. Barbier’s system, with its dashes and dots, could form over 4000 combinations (Jimenez et al., 2009). Compared to the 26 letters of the Latin alphabet, this was an absurdly high number. Braille kept the raised dot form, but developed a more manageable system that would reflect the sighted alphabet. He replaced Barbier’s dashes and dots with just six dots in a rectangular configuration (Jimenez et al., 2009). The result was that the blind population in France had a tactile reading system using dots (like Barbier’s) that was based on the structure of the sighted alphabet (like Hauy’s); crucially, this system was the first developed specifically for the purposes of the blind.

While the Braille system gained immediate popularity with the blind students at the Institute in Paris, it had to gain acceptance among the sighted before its adoption throughout France. This support was necessary because sighted teachers and leaders had ultimate control over the propagation of Braille resources. Many of the teachers at the Royal Institute for Blind Youth resisted learning Braille’s system because they found the tactile method of reading difficult to learn (Bullock & Galst, 2009). This resistance was symptomatic of the prevalent attitude that the blind population had to adapt to the sighted world rather than develop their own tools and methods. Over time, however, with the increasing impetus to make social contribution possible for all, teachers began to appreciate the usefulness of Braille’s system (Bullock & Galst, 2009), realizing that access to reading could help improve the productivity and integration of people with vision loss. It took approximately 30 years, but the French government eventually approved the Braille system, and it was established throughout the country (Bullock & Galst, 2009).

Although Blind people remained marginalized throughout the nineteenth century, the Braille system granted them growing opportunities for social participation. Most obviously, Braille allowed people with vision loss to read the same alphabet used by sighted people (Bullock & Galst, 2009), allowing them to participate in certain cultural experiences previously unavailable to them. Written works, such as books and poetry, had previously been inaccessible to the blind population without the aid of a reader, limiting their autonomy. As books began to be distributed in Braille, this barrier was reduced, enabling people with vision loss to access information autonomously. The closing of the gap between the abilities of blind and the sighted contributed to a gradual shift in blind people’s status, lessening the cultural perception of the blind as essentially different and facilitating greater social integration.

The Braille system also had important cultural effects beyond the sphere of written culture. Its invention later led to the development of a music notation system for the blind, although Louis Braille did not develop this system himself (Jimenez, et al., 2009). This development helped remove a cultural obstacle that had been introduced by the popularization of written musical notation in the early 1500s. While music had previously been an arena in which the blind could participate on equal footing, the transition from memory-based performance to notation-based performance meant that blind musicians were no longer able to compete with sighted musicians (Kersten, 1997). As a result, a tactile musical notation system became necessary for professional equality between blind and sighted musicians (Kersten, 1997).

Braille paved the way for dramatic cultural changes in the way blind people were treated and the opportunities available to them. Louis Braille’s innovation was to reimagine existing reading systems from a blind perspective, and the success of this invention required sighted teachers to adapt to their students’ reality instead of the other way around. In this sense, Braille helped drive broader social changes in the status of blindness. New accessibility tools provide practical advantages to those who need them, but they can also change the perspectives and attitudes of those who do not.

Bullock, J. D., & Galst, J. M. (2009). The Story of Louis Braille. Archives of Ophthalmology , 127(11), 1532. https://​doi.org/10.1001/​archophthalmol.2009.286.

Herron, M. (2009, May 6). Blind visionary. Retrieved from https://​eandt.theiet.org/​content/​articles/2009/05/​blind-visionary/.

Jiménez, J., Olea, J., Torres, J., Alonso, I., Harder, D., & Fischer, K. (2009). Biography of Louis Braille and Invention of the Braille Alphabet. Survey of Ophthalmology , 54(1), 142–149. https://​doi.org/10.1016/​j.survophthal.2008.10.006.

Kersten, F.G. (1997). The history and development of Braille music methodology. The Bulletin of Historical Research in Music Education , 18(2). Retrieved from https://​www.jstor.org/​stable/40214926.

Mellor, C.M. (2006). Louis Braille: A touch of genius . Boston: National Braille Press.

Tombs, R. (1996). France: 1814-1914 . London: Pearson Education Ltd.

Weygand, Z. (2009). The blind in French society from the Middle Ages to the century of Louis Braille . Stanford: Stanford University Press.

If you want to know more about AI tools , college essays , or fallacies make sure to check out some of our other articles with explanations and examples or go directly to our tools!

• Ad hominem fallacy
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An essay is a focused piece of writing that explains, argues, describes, or narrates.

In high school, you may have to write many different types of essays to develop your writing skills.

Academic essays at college level are usually argumentative : you develop a clear thesis about your topic and make a case for your position using evidence, analysis and interpretation.

The structure of an essay is divided into an introduction that presents your topic and thesis statement , a body containing your in-depth analysis and arguments, and a conclusion wrapping up your ideas.

The structure of the body is flexible, but you should always spend some time thinking about how you can organize your essay to best serve your ideas.

Your essay introduction should include three main things, in this order:

• An opening hook to catch the reader’s attention.
• Relevant background information that the reader needs to know.
• A thesis statement that presents your main point or argument.

The length of each part depends on the length and complexity of your essay .

A thesis statement is a sentence that sums up the central point of your paper or essay . Everything else you write should relate to this key idea.

A topic sentence is a sentence that expresses the main point of a paragraph . Everything else in the paragraph should relate to the topic sentence.

At college level, you must properly cite your sources in all essays , research papers , and other academic texts (except exams and in-class exercises).

Add a citation whenever you quote , paraphrase , or summarize information or ideas from a source. You should also give full source details in a bibliography or reference list at the end of your text.

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30 Topic Sentence Examples

June 24, 2024

What is an essay without a topic sentence? Well, confusion. In your writing, the topic sentence introduces what the paragraph will be about. It should cover the topic of the paragraph and the prime focus of what you want to discuss in the next several lines. And it can assist in smoothly transitioning into the next paragraph, the next point you’re about to make. Depending on the complexity of your argument, the topic sentence can also weave together several paragraphs. So when the topic sentence is missing, it’s easy to lose track of what your specific message is. Below, you find 30 topic sentence examples.

Think of the topic sentence as a tool in your writing kit. It’s there to help you signpost and structure the argument of your essay. Having it, while making sure the topic is interesting and clear, is essential to help your reader truly understand your thesis.

How do you write a topic sentence?

When you’re about to write an essay, you won’t find yourself immediately thinking of every topic sentence example at once. Figuring out what your thesis is going to be, the very purpose and argument of your essay, will be a necessary first step . Then you might want to create an outline . The outline can draft out what you want to cover in each paragraph or how your argument will be supported.

This is where the topic sentence comes in. For every paragraph, you can begin to think of topic sentence examples that best sum up the rest of your idea. The more interesting you can make the topic sentence, the better it will be, so long as you can support it. Remember, the topic sentence will introduce what you are going to discuss and expand on in the rest of the paragraph.

Examples (Continued)

Let’s take a look at these six topic sentence examples below that introduce a paragraph:

1) Studies over the last ten years have shown that the use of social media has a significant role in teenage mental health.

2) Kate Jackson and her family, who have all been San Francisco residents for 30 years, noted that this was the hottest summer yet.

3) Book sales across the country have actually increased this year, contrary to popular belief.

4) During COVID-19, people rushed to adopt pets, but after the pandemic ended many of those pets were surrendered to shelters.

5) It is undeniable what impact the meat industry has had on our environment.

6) In the 19th century in France, the creation of the Braille system was a significant turning point for those with disabilities.

How do you imagine the rest of the paragraph will turn out? How can you best support your topic sentence to strengthen your overall essay?

Support your paragraph with evidence

The topic sentence of your paragraph will not hold well if it is not backed up with the right evidence. After writing a topic sentence like the topic sentence examples above, the rest of your paragraph should include strong examples of evidence to support your argument. Doing so will only help validate your topic sentence and allow your reader to have more insight into your thesis.

Considering each topic sentence examples above, try to think of what types of evidence you would expect in that same paragraph. There could be reports on statistics, interviews, and other forms of evidence provided. How will yours be?

Where should the topic sentence go?

Now you know that your topic sentence should be followed by the right evidence. So it’s safe to assume that the topic sentence belongs at the very beginning of the paragraph.

Yet depending on the paragraph you’re working on, you can also place your “main” topic sentence after an “intro” topic sentence. Let’s take a look at the two examples below:

7) Due to rising temperatures around the world, people have had to flee their homes and relocate to areas less prone to fires or floods. (Intro topic sentence)

8) However, many have found that even these “safer” locations are still susceptible to eventual natural disasters. (Main topic sentence)

When we combine the two sentences, we get:

Due to rising temperatures around the world, people have had to flee their homes and relocate to areas less prone to fires or floods. However, many have found that even these “safer” locations are still susceptible to eventual natural disasters.

The first (intro) topic sentence example is more generic and introductory, functioning like a summary of an observation. The second (main) topic sentence example then presents another contradictory argument to that first point. Depending on the tone or argument you want to make in your paragraph, you can format your topic sentences in such a way to further sharpen your thesis. Whenever you have doubt though, you can always place one topic sentence at the beginning of the paragraph.

Sometimes less is more in writing the topic sentence

The topic sentence introduces the key concept of that paragraph, along with evidence and research findings. It can even be written as more than one sentence or perspective, as noted directly above. However, you also don’t want to say too much. Why?

You don’t want to give all of your information away at once. While it is imperative to write a clear, specific, and even complex topic sentence, it’s just as important to avoid being too general or too informative. Striking the right balance is going to help you structure the rest of your essay. After all, you have the rest of the paragraph and the rest of your essay to do that, which leads us to our next point.

Topic sentences for smoother transitions

Like a game of dominoes, your paragraphs are all connected and should flow smoothly into the next statement you are making. As you are building your outline, or even as you’re already writing, consider how your previous paragraph transitions into the next . This depends on the intention of each paragraph and how you are structuring your argument.

Topic sentences for paragraph transitions have many functions. They will elaborate on more examples. They can wrap up or summarize a preceding point you made, providing another perspective. Also, they can go against a fact or opinion you wrote, which is a great way to strengthen your overall thesis and they can also be posed as a question.

Take a look at these transitional topic sentence examples below:

9) In fact, walking as a form of exercise has shown to reduce cortisol levels.

10) Furthermore, city council representatives have said that environmental sustainability has remained at the top of the agenda, but activists have largely disagreed.

11) While the strike in Hollywood has come to an end, many writers are still without employment and searching for new ways to restart their careers.

12) However, grocery prices across the country still seem to have risen.

13) Despite the state’s discontinued funding for the arts, is there another feasible way for these students to gather together and flourish as young artists at their school?

More than one paragraph: Topic sentences that expand into several key points

So far we’ve covered topic sentences that elaborate on just one paragraph. However, you might find that one topic sentence (or two) can best address several paragraphs. This usually occurs when you’re trying to introduce a bigger argument to serve your essay.

Let’s take one of the single paragraph topic sentences from earlier above and expand it by adding a connecting topic sentence to it:

14)Book sales across the country have actually increased this year, contrary to popular belief.

15) A report from the Association of American Publishers’ StatShot program states that in April sales over a year there has been an 18% increase.

These two topic sentence examples can even serve as their own introductory paragraph. This can then lead into more paragraphs related to the topic of specific book sales increasing across the country:

Book sales across the country have actually increased this year, contrary to popular belief. A report from the Association of American Publishers’ StatShot program states that in April sales over a year there has been an 18% increase.

Make the topic sentence interesting, not obvious

Check out 15 more topic sentence examples below. How do they introduce the topic, and what does it make you want to learn more about? You can imagine what kind of paragraph, or paragraphs, might follow afterwards:

16) When brewed correctly, coffee can hold strong, subtle hints of flavors such as chocolate or fruit, depending on the level of acidity.

17) Although today life in 1920s Paris is often romanticized for its glamor, jazz, and fashion, the city was still struggling to recover from the devastation of World War I.

18) Strict social rules dominated the Victorian Era, despite Britain’s expansion around the world in pursuit of wealth and power.

19) Dogs have a keen sense of time, so much so that they can predict when you’re late to take them out for a walk.

20) Before winter arrives, birds such as cranes and waterfowl follow preferred aerial pathways during their yearly migrations.

21) Conservation methods have helped local farms in their efforts to prioritize sustainability.

22) Did you know that humans would have a better chance of reaching Mars if they had a base set up on the moon?

23) The Pacific Ocean covers more than 30 percent of the earth’s surface, and it is home to so many life forms that have not yet been studied.

24) It is often debated whether or not student athletes should be paid for their performance, considering the cost for them to succeed.

25) Becoming a successful CEO doesn’t just happen overnight.

26) Although purchasing a home is considered a great form of investment, potential buyers should look at the real estate market first.

27) Watching my mother work three jobs to support our family has taught me the importance of resilience and strong work ethic.

28) Historical fiction not only has the power to teach us of actual past events. It also allows us to step into the lives of those we would have never met.

29) Parents and teachers at Sunnyroad School District are advocating for schools to provide free computers for their students – but the administrators aren’t so sure.

30) Across the country, the debate around whether teenagers should be allowed to use smart phones on campus has been circulating.

The topic sentence as a guide

One way to look at topic sentences is to imagine them as guiding compasses of your essay. Whatever point you are trying to make, the topic sentence has the power to guide your reader down a certain path. Choose wisely! And if you’re ever unsure about how to steer your essay and you need a personal guide, we’re here to help .

Additional Resources

• 100 Creative Writing Prompts for Middle & High School
• 100 Tone Words to Express Mood in Your Writing
• 160 Good Argumentative Essay Topics for Students in 2024
• How to Write the AP Lang Rhetorical Analysis Essay (With Example)
• How to Write the AP Lang Argument Essay (With Example)
• 400 Adjectives to Describe a Person
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• Literary Terms

Topic Sentence

I. what is a topic sentence.

A topic sentence in a paragraph is like the GPS in a car. It shows you (and others) where you are going and explains the point of the paragraph. Everything else is used as supporting details. The topic sentence contains two parts: the topic and a controlling idea. The topic is WHAT the paragraph is going to be about, and the controlling idea explains WHY the paragraph is being written. The topic sentence helps your reader understand the purpose of your paragraph.

II. Examples of a Topic Sentence

The purpose of your paragraph will be made clear in your topic sentence. The most common reasons for writing are to persuade, to inform, and to entertain. It is also possible that a sentence could do more than one of these.

You will often use a persuasive topic sentence when writing for school, such as in literary essays .

The character Pip in the novel Great Expectations learns the importance of loyalty through his        interactions with the convict Abel Magwitch.

An informative topic sentence is often found in scientific articles.

White blood cells help fight infections by attacking bacteria, viruses and germs that invade the         body.

Topic sentences that entertain are sometimes found in magazines or other less formal writing.

It’s not hard to raise a bad child if you follow these simple instructions.

III. Parts of a Topic Sentence

There are just two parts in a topic sentence, the topic and the controlling idea. The topic is WHAT the paragraph is about, and the controlling idea explains WHY you are writing the paragraph. In the examples below, the topic is in orange and the controlling idea is in green .

Joseph loves to spend time with his friends .

What/who is this paragraph about? Joseph. Why is this paragraph being written? To explain something that Joseph loves to do.

Disneyland is the happiest place on Earth .

What/who is this paragraph about? Disneyland. Why is it being written? To show why Disneyland is the happiest place on Earth.

IV. Placement of Topic Sentences

A. initial placement.

The most common place for a topic sentence is at the beginning of the paragraph because it explains what the paragraph is going to discuss. The initial placement helps the writer organize the paragraph and tells the reader what to expect right in the beginning.

The best things in life are free . Although most people work hard to buy a good home or a nice car, those are not the things that they care about the most. At the end of their lives, they don’t want to hug their cars, or the walls of their fine houses. They want to be surrounded by the people they care about and who care about them. Kindness is free. Love is free. Friendship is free (or at least it should be!). Of course it is important to make money to survive, but love is important to live happily.

b. Final Placement

Sometimes the topic sentence is at the end of the paragraph, especially when the paragraph is a narrative or a mysterious story. Placing it at the end creates suspense or sometimes works to tell the point of the story.

The wealthy man was dying. He called for his friends and family to be near him and placed a hand on each one’s shoulder. They cried because they would miss him, and he cried because he had no more time to share with them. The beautiful things that he’d purchased over the years held no meaning. He didn’t care about his diamonds or his yacht or his large home. He cared for his children and the love they shared. They were here with him now and held his hands. He was glad he’d learned the most important lesson in life: the best things in life are free .

c. Medial Placement

The last place, the least common place for a topic sentence, is in the middle of the paragraph. The medial topic sentence usually functions as a transition between two ideas or details.  This works when you want to show that there are two (sometimes opposite) points to an issue, but the one you are arguing, the second point, is stronger, more specific, or more important. This topic sentence is generally introduced with a transition signal.

You can’t survive on love alone. People need money for basic necessities: food, shelter and clothing. Without money, life would be uncomfortable and difficult. However, time and energy should not be completely spent on making money because the best things in life are free . Having fun with friends and family is more important and more satisfying than buying a new car or nice clothes. People provide warmth, affection, understanding, and most of all, love. Money can’t love you back, and it does not guarantee happiness. Some of the richest people in the world are miserable, while some of the poorest people in the world are happy because they have the simple joy of loving people in their lives.  

V. How to Write a Topic Sentence

A. the best way to write your topic sentence is to consider why you are writing the paragraph.

• Decide on your reason for writing the paragraph
• After you have figured that out, write down the important details you want to include and see what they all have in common.
• Summarize the details into one sentence.

For example, if you want to write about your favorite movie, think about all the reasons that you like it. Is it funny? Exciting? Dramatic? Romantic? Be sure not to include too many things or else you will end up with an essay instead of a simple sentence. Once you have decided on your details, you are ready to write the topic sentence.

Here’s an example, the topic will be in orange and the controlling idea will be in green :

The best movie ever made was “Star Wars: the Force Awakens” because it was exciting and surprising .

An important point to remember is that the topic sentence should contain all relevant information that’s going to be in the paragraph. There should be no information about romance or comedy. It should only talk about what made the movie exciting.

b. Mistakes to Avoid

One of the biggest problems students face is keeping a paragraph or essay on topic. Sometimes they will write a good topic sentence but halfway through the paragraph, they think of another good idea and follow that. Without revision and editing, the topic sentence will not serve its purpose in the paragraph.

The best vacation I ever had was in Hawaii. The beaches were so beautiful and clean that swimming in them was like a dream . I especially loved the Waikiki beach. At night, there were free shows with dancers and live music. The music was so good that it made me want to dance. Dancing is my favorite thing to do in the world. When I was young, I studied ballet and tap dance. I’m thinking about taking it back up again. I might even study hip-hop!

The paragraph started out with Hawaii and end up with hip-hop dancing. You can see how the writer’s train of thought began to wander in the seventh sentence. With a different topic sentence, it would be possible to save this paragraph. Consider how different the direction would be with the following topic sentence.

The best vacation I ever had was in Hawaii. I especially loved the Waikiki beach. At night, there were free shows with dancers and live music. The music was so good that it made me want to dance and reminded me that dancing is my favorite activity in the world. In fact, when I was young, I studied ballet and tap dance. The dancing that I saw in Hawaii inspired me to get back into dancing . I might even study hip-hop!

With this new topic sentence, the second sentence would have to be eliminated or changed a bit. You can see how easy it is to get off-topic, but with a good topic sentence, and constant reference back to it, you are less likely to have that problem.

VI. So remember

• A topic sentence needs to contain the topic of your paragraph and a controlling idea.
• Everything in the paragraph should be connected to the topic sentence.
• The placement of the topic sentence depends on the type of paragraph.

VII. Exercises

Each of the paragraphs in this exercise has three possible topic sentences following it. Choose the best one and make sure that it includes the main idea of the paragraph.

1. _____________________________________________. In fact, he usually shows up five minutes early everywhere he goes. Because he’s so considerate, he hates to keep people waiting. He also believes that being early creates a better expereince. One time, when we were going to a movie together, John arrived thirty minutes earlier just so he could get the best seats in the theatre. I’m glad to have such a punctual friend.

a. John loves going to the movies.

b. John is always on time.

c. John hates to be kept waiting.

2. _________________________________________. The place is never crowded, but the service is still terrible. It seems like the staff has better things to do than wait on customers. Once I waited ten minutes just to buy a slice of pizza, and I was the only person in the whole store! I recommend staying away from Billy Bob’s Pizzeria.

a. Billy Bob’s Pizzeria has the worst pizza.

b. Billy Bob’s Pizzeria is an unpopular place to eat.

c. Billy Bob’s Pizzeria has terrible customer service.

3. I walked slowly down the dark path, afraid of my own shadow. But the tug on the leash propelled me forward. Buck, my golden retriever, was determined to take the most deserted trails through the forest. I could hear unfamiliar noises on all sides and urged Buck to do his business quickly. Oh, why couldn’t he be toilet trained? That would be better for everyone! _____________________________________.

a. Buck is an inconsiderate dog.

b. I hate walking my dog at night.

c. The forest is a dangerous place to walk at night.

4. Generally speaking, zoos these days are losing popularity. Many people feel that it’s unfair to lock up wild animals to entertain humans. ________________________________ . Some zoos go to great lengths to build a good environment for its animals. The good zoos treat their animals well and provide opportunities for the public to learn about the natural world. The best zoos protect endangered species and raise awareness about animals and their habitats.

a. Zoos perform a valuable service to society and should be part of every person’s childhood memory.

b. Zoos are horrible places that should be shut down because it’s not humane to lock up wild animals.

c. Zoos that do their best to make a pleasant habitat for the animals can be a pleasant place to visit.

List of Terms

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• Literary Device
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