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How to Write an Expository Essay | Structure, Tips & Examples

Published on July 14, 2020 by Jack Caulfield . Revised on July 23, 2023.

“Expository” means “intended to explain or describe something.” An expository essay provides a clear, focused explanation of a particular topic, process, or set of ideas. It doesn’t set out to prove a point, just to give a balanced view of its subject matter.

Expository essays are usually short assignments intended to test your composition skills or your understanding of a subject. They tend to involve less research and original arguments than argumentative essays .

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Table of contents

When should you write an expository essay, how to approach an expository essay, introducing your essay, writing the body paragraphs, concluding your essay, other interesting articles, frequently asked questions about expository essays.

In school and university, you might have to write expository essays as in-class exercises, exam questions, or coursework assignments.

Sometimes it won’t be directly stated that the assignment is an expository essay, but there are certain keywords that imply expository writing is required. Consider the prompts below.

The word “explain” here is the clue: An essay responding to this prompt should provide an explanation of this historical process—not necessarily an original argument about it.

Sometimes you’ll be asked to define a particular term or concept. This means more than just copying down the dictionary definition; you’ll be expected to explore different ideas surrounding the term, as this prompt emphasizes.

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An expository essay should take an objective approach: It isn’t about your personal opinions or experiences. Instead, your goal is to provide an informative and balanced explanation of your topic. Avoid using the first or second person (“I” or “you”).

The structure of your expository essay will vary according to the scope of your assignment and the demands of your topic. It’s worthwhile to plan out your structure before you start, using an essay outline .

A common structure for a short expository essay consists of five paragraphs: An introduction, three body paragraphs, and a conclusion.

Like all essays, an expository essay begins with an introduction . This serves to hook the reader’s interest, briefly introduce your topic, and provide a thesis statement summarizing what you’re going to say about it.

Hover over different parts of the example below to see how a typical introduction works.

In many ways, the invention of the printing press marked the end of the Middle Ages. The medieval period in Europe is often remembered as a time of intellectual and political stagnation. Prior to the Renaissance, the average person had very limited access to books and was unlikely to be literate. The invention of the printing press in the 15th century allowed for much less restricted circulation of information in Europe, paving the way for the Reformation.

The body of your essay is where you cover your topic in depth. It often consists of three paragraphs, but may be more for a longer essay. This is where you present the details of the process, idea or topic you’re explaining.

It’s important to make sure each paragraph covers its own clearly defined topic, introduced with a topic sentence . Different topics (all related to the overall subject matter of the essay) should be presented in a logical order, with clear transitions between paragraphs.

Hover over different parts of the example paragraph below to see how a body paragraph is constructed.

The invention of the printing press in 1440 changed this situation dramatically. Johannes Gutenberg, who had worked as a goldsmith, used his knowledge of metals in the design of the press. He made his type from an alloy of lead, tin, and antimony, whose durability allowed for the reliable production of high-quality books. This new technology allowed texts to be reproduced and disseminated on a much larger scale than was previously possible. The Gutenberg Bible appeared in the 1450s, and a large number of printing presses sprang up across the continent in the following decades. Gutenberg’s invention rapidly transformed cultural production in Europe; among other things, it would lead to the Protestant Reformation.

The conclusion of an expository essay serves to summarize the topic under discussion. It should not present any new information or evidence, but should instead focus on reinforcing the points made so far. Essentially, your conclusion is there to round off the essay in an engaging way.

Hover over different parts of the example below to see how a conclusion works.

The invention of the printing press was important not only in terms of its immediate cultural and economic effects, but also in terms of its major impact on politics and religion across Europe. In the century following the invention of the printing press, the relatively stationary intellectual atmosphere of the Middle Ages gave way to the social upheavals of the Reformation and the Renaissance. A single technological innovation had contributed to the total reshaping of the continent.

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An expository essay is a broad form that varies in length according to the scope of the assignment.

Expository essays are often assigned as a writing exercise or as part of an exam, in which case a five-paragraph essay of around 800 words may be appropriate.

You’ll usually be given guidelines regarding length; if you’re not sure, ask.

An expository essay is a common assignment in high-school and university composition classes. It might be assigned as coursework, in class, or as part of an exam.

Sometimes you might not be told explicitly to write an expository essay. Look out for prompts containing keywords like “explain” and “define.” An expository essay is usually the right response to these prompts.

An argumentative essay tends to be a longer essay involving independent research, and aims to make an original argument about a topic. Its thesis statement makes a contentious claim that must be supported in an objective, evidence-based way.

An expository essay also aims to be objective, but it doesn’t have to make an original argument. Rather, it aims to explain something (e.g., a process or idea) in a clear, concise way. Expository essays are often shorter assignments and rely less on research.

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Expository Essay: 3 Building Blocks to Propose an Idea and Defend It

by Dixie-Ann Belle | 0 comments

If you saw the words “expository essay” on a writing assignment, would your mind draw a blank? Would you immediately feel as if you had stumbled into unexplored territory?

Well there's good news.

This post is written by guest writer Dixie-Ann Belle. You can learn more about Dixie-Anne at the end of this article. Welcome Dixie-Ann! 

You might not realize it, but chances are this is not your first encounter with this type of essay. Once you have been writing essays in academic environments, you have probably already worked on expository writing.

In this article, I hope to help you recognize this essay type and understand the expository essay outline. Comprehending the building blocks is instrumental in knowing how to construct an exceptional expository essay.

Lay a Strong Foundation

Over the years, I have taught and tutored college students one on one as they write academic essays, in face to face classrooms and online, and I have noticed a pattern. They often approach essays in one of two ways.

Some consider them with apprehension and are fearful of making mistakes. Others feel confident that they have written many essays before and think they have already mastered expository writing.

Interestingly, it's the latter who often end up the most shaken when they realize that they are not as familiar as they think with this type of writing.

What I hope to instill in my students is that they should not feel intimidated whatever their situation or essay assignment.

I encourage them to make sure they understand the foundations of the expository essay structure. I try to get them to grasp the basic blocks that need to be there, and once they do, they have a good chance of crafting a substantial piece of writing.

What is an Expository Essay?

Students are typically assigned one of at least four types of essays: the persuasive/argumentative essay, the descriptive essay, the technical essay, or the expository essay.

Writing an expository essay is one of the most important and valuable skills for you to master.

According to the Purdue Online Writing Lab:

The expository essay is a genre of essay that requires the student to investigate an idea, evaluate evidence, expound on the idea, and set forth an argument concerning that idea in a clear and concise manner.

Keep in mind that your expository writing centers on giving your reader information about a given topic or process. Your goal is to inform, describe, or define the subject for your readers.

As you work to achieve this, your essay writing must be formal, objective, and concise. No matter what your discipline, it's almost guaranteed that you will be required to write this common type essay one day.

Some expository essay examples could include:

• Define the term ‘democracy'
• Compare and contrast the benefits of cable television vs streaming
• Outline the process that generates an earthquake
• Classify the different types of tourism
• Outline the aspects of a good fitness program

The possibilities are endless with expository writing, and it can cover a wide variety of topics and specialties.

3 Building Blocks of a Great Expository Essay

To make sure you're on the right track with this type of paper, it helps to understand the three building blocks of the expository essay format and how to apply them to the final expository essay structure .

1. Write an introduction

Most students know that an introductory paragraph should grab the interest of the reader. However, they might not realize that it should also provide context for the essay topic.

Ask yourself : What are you talking about in this essay? Why is this topic important? Some background details could help to establish the subject for your reader.

For example:

If you were writing an essay on the impact smartphones have on society, you might want to start with some information on the evolution of smartphones, the number of smartphones in society, the way people use the phones and more.

The introduction should start off with general information.

You then work your way down to the more specific and principal part of your introduction and the crown of your whole essay, the thesis statement.

What is the thesis statement?

Your thesis statement states in concise language what this essay is going to be about. It is one clear sentence which expresses the subject and the focus of this piece of writing. If there is a prompt, the thesis statement should directly answer that prompt.

Our smart phones topic might create a thesis statement like:  Smart phones have many positive impacts for adults in the business world.

Right away the reader has some idea of what's ahead.

2. Write your body paragraphs

With your thesis statement clear in your mind and your introduction setting the scene, it is time to write your body paragraphs.

Each body paragraph contains supporting information including factual evidence for your essay topic. Each paragraph should each focus on one idea.

Depending on your word count and the teacher requirements, you can write any number of body paragraphs, but there are usually at least three for a basic five paragraph essay.

Each body paragraph should start with a topic sentence. A topic sentence is one single statement that explains the point of the paragraph. It directly refers to your thesis statement and tells you what the body paragraph is going to be about.

Remember our smart phone thesis statement? You need something that will relate to that thesis sentence and will alert the reader to what is to come.

Here's one possibility: 

Smart phones can help increase productivity  for professional adults.

This topic sentence not only reminds us that you are talking about positive impacts for adults with smart phones, it now shows us what the following paragraph will cover.

The best body paragraphs will go on to include different types of details, all of which would support your topic sentence. A good abbreviation to encapsulate the different details is spelt TEEES.

The TEEES Body Paragraph Structure

Let's break down this abbreviation and explore the types of details you'll need in your body paragraphs

T: Topic sentence

You'll begin with your topic sentence establishing the purpose of this paragraph. We'll use our example from above:

Smartphones can help increase productivity for professional adults.

E: Explanation

This is where you expand on your topic and include additional supportive information.

If you were talking about smartphones and productivity, maybe you could mention what elements of the smartphone make it optimal for productivity.

E: Evidence

This is the information from reputable sources you researched for your topic. Here's where you can talk about all the information you have discovered from experts who have carefully studied this subject.

For our smartphone essay, perhaps you could mention a quote from a technology reporter who has been following the rise of smartphones for years.

E: Examples

This would be concrete subject matter to support your point.

Maybe here you can list some of the smartphone apps which have proven to increase productivity in the workplace.

S: Significant/Summarizing sentence

This is the last sentence in the body paragraph which summarizes your point and ends this part of your essay. There should be no doubt in the reader's mind that you have finished talking about your topic, and you are moving on to another in the next paragraph. Here's how we could conclude this paragraph on smartphones and productivity:

Smartphones have transformed the productivity of the modern workforce.

3. Write the conclusion

Once you have written your body paragraphs, you're in the home stretch. You have presented all of your points and supported them with the appropriate subject matter. Now you need to conclude.

A lot of students are confused by conclusions. Many of them have heard different rules about what is supposed to be included.

One of the main requirements to keep in mind when ending an expository essay is that you do not add new information.

This is not the time to throw in something you forgot in a previous body paragraph. Your conclusion is supposed to give a succinct recap of the points that came before.

Sometimes college students are instructed to re-state the thesis, and this puzzles them. It doesn't mean re-writing the thesis statement word for word. You should express your thesis statement in a new way.

For example, here's how you could approach the conclusion for our smartphone essay.

You've come up with three points to support your thesis statement, and you've explored these three points in your body paragraphs. After brainstorming, you might decide the benefits of smartphones in the workplace are improved productivity, better communication, and increased mobility.

Your conclusion is the time to remind your reader of these points with concise language. Your reader should be able to read the conclusion alone and still come away with the basic ideas of your essay.

Plan Your Essay Based on an Expository Essay Outline

While writing fiction, it is sometimes okay to “pants” it and just leap into writing your story.

When writing essays in academia, this is rarely a good idea. Planning your essay helps organize your ideas, helps you refine many of your points early on and saves time in the long run.

There are lots of great brainstorming techniques you can use to get your ideas together, but after that, it's time to create a topic to sentence outline.

There are three steps to creating your topic to sentence essay outline.

• Develop a powerful thesis statement. Remember, this is the overarching idea of your entire essay, so you have completed a significant step once you have one done.
• Come up with the ideas you would like to support your thesis statement.
• Based on your points, craft your topic sentences.

Here is an example of a topic to sentence outline:

Having these important foundation details completed is a great way to develop your essay as you build on each part. It is also an effective method to make sure you are on the right track.

Depending on your instructor (or tutor, if you have one), you can show your outline to them to get feedback before you launch into your entire essay.

Even if you don't have anyone to provide a critique, the outline can make it easier to revise how you will approach the rest of your paragraph essay.

You now have some firm foundations to help you as you construct your expository essay.

How do you organize an expository essay?  Let us know in the comments .

Take fifteen minutes to practice writing your own expository essay.

First, choose an expository writing assignment topic. If you can't think of one, use one of the expository essay examples below .  

• What are the nutritional elements of a healthy breakfast?
• What are some of the most influential types of music?
• Compare and contrast the benefits of electric and gas cars. 
• What are the major steps to planning a stress-free vacation?
• How do smartphones affect mental health?
• Define true love.

Craft a thesis statement about your topic. Then, write three topic sentences for your body paragraphs.

With the time you have left, start writing your essay. You might be surprised how much you can write in fifteen minutes when you have a clear outline for your essay!

When your time is up, share your outline and your essay in the Pro Practice Workshop here . After you post, please be sure to give feedback to your fellow writers.

Happy writing!

Dixie-Ann Belle

Since she started scribbling stories in her notebooks as a child, Dixie-Ann Belle has been indulging her love of well crafted content. Whether she is working as a writing teacher and tutor or as a freelance writer, editor and proofreader, she enjoys helping aspiring writers develop their work and access their creativity.

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Purdue Online Writing Lab Purdue OWL® College of Liberal Arts

Expository Essays

Welcome to the Purdue OWL

This page is brought to you by the OWL at Purdue University. When printing this page, you must include the entire legal notice.

Copyright ©1995-2018 by The Writing Lab & The OWL at Purdue and Purdue University. All rights reserved. This material may not be published, reproduced, broadcast, rewritten, or redistributed without permission. Use of this site constitutes acceptance of our terms and conditions of fair use.

The Modes of Discourse—Exposition, Description, Narration, Argumentation (EDNA)—are common paper assignments you may encounter in your writing classes. Although these genres have been criticized by some composition scholars, the Purdue OWL recognizes the wide spread use of these approaches and students’ need to understand and produce them.

What is an expository essay?

The expository essay is a genre of essay that requires the student to investigate an idea, evaluate evidence, expound on the idea, and set forth an argument concerning that idea in a clear and concise manner. This can be accomplished through comparison and contrast, definition, example, the analysis of cause and effect, etc.

Please note : This genre is commonly assigned as a tool for classroom evaluation and is often found in various exam formats.

The structure of the expository essay is held together by the following.

• A clear, concise, and defined thesis statement that occurs in the first paragraph of the essay.

It is essential that this thesis statement be appropriately narrowed to follow the guidelines set forth in the assignment. If the student does not master this portion of the essay, it will be quite difficult to compose an effective or persuasive essay.

• Clear and logical transitions between the introduction, body, and conclusion.

Transitions are the mortar that holds the foundation of the essay together. Without logical progression of thought, the reader is unable to follow the essay’s argument, and the structure will collapse.

• Body paragraphs that include evidential support.

Each paragraph should be limited to the exposition of one general idea. This will allow for clarity and direction throughout the essay. What is more, such conciseness creates an ease of readability for one’s audience. It is important to note that each paragraph in the body of the essay must have some logical connection to the thesis statement in the opening paragraph.

• Evidential support (whether factual, logical, statistical, or anecdotal).

Often times, students are required to write expository essays with little or no preparation; therefore, such essays do not typically allow for a great deal of statistical or factual evidence.

• A bit of creativity!

Though creativity and artfulness are not always associated with essay writing, it is an art form nonetheless. Try not to get stuck on the formulaic nature of expository writing at the expense of writing something interesting. Remember, though you may not be crafting the next great novel, you are attempting to leave a lasting impression on the people evaluating your essay.

• A conclusion that does not simply restate the thesis, but readdresses it in light of the evidence provided.

It is at this point of the essay that students will inevitably begin to struggle. This is the portion of the essay that will leave the most immediate impression on the mind of the reader. Therefore, it must be effective and logical. Do not introduce any new information into the conclusion; rather, synthesize and come to a conclusion concerning the information presented in the body of the essay.

A complete argument

Perhaps it is helpful to think of an essay in terms of a conversation or debate with a classmate. If I were to discuss the cause of the Great Depression and its current effect on those who lived through the tumultuous time, there would be a beginning, middle, and end to the conversation. In fact, if I were to end the exposition in the middle of my second point, questions would arise concerning the current effects on those who lived through the Depression. Therefore, the expository essay must be complete, and logically so, leaving no doubt as to its intent or argument.

The five-paragraph Essay

A common method for writing an expository essay is the five-paragraph approach. This is, however, by no means the only formula for writing such essays. If it sounds straightforward, that is because it is; in fact, the method consists of:

• an introductory paragraph
• three evidentiary body paragraphs
• a conclusion

How to Write an Expository Essay

#scribendiinc

Does Expository Writing Have You Confused?

Maybe you find yourself on this page because your instructor asked you to write an expository essay, and you aren't exactly sure what's expected of you—if so, you've certainly found the right place. Expository writing, or exposition, is a type of discourse used to describe, explain, define, inform, or clarify. It literally means "to expose." Exposition can be found in writing or oral discourse, but for the sake of this article, we'll stick with expository writing.

You are likely familiar with expository writing already, even if the name sounds unfamiliar. Common examples include newspaper articles, how-to manuals, and assembly instructions. Expository writing is also the most frequent type of academic writing !

Present the facts, and only the facts

If you are asked to write an expository essay, then you are essentially being asked to present the facts; there is no place for bias or opinion in expository writing. In a way, this makes writing simple—it is a matter of gathering and presenting the facts about a certain topic.

Something important to keep in mind when writing exposition is that you should not assume your readers have any knowledge of the topic; don't gloss over basic or important details, even if you think they're common knowledge.

When writing expository essays, it is best to use third person narration, although second person is acceptable in some instances, such as for instructions—or articles on expository writing.

Characteristics of expository writing

There are a few characteristics of expository writing you should remember when crafting an expository essay. The first is to keep a tight focus on the main topic, avoiding lengthy tangents, wordiness, or unrelated asides that aren’t necessary for understanding your topic.

In the same vein, be sure to pick a topic that is narrow, but not so narrow that you have a hard time writing anything about it (for example, writing about ice cream would be too broad, but writing about ice cream sold at your local grocery store between 5:00 and 5:15 pm last Saturday would be too narrow).

You must also be sure to support your topic, providing plenty of facts, details, examples, and explanations, and you must do so in an organized and logical manner. Details that can support your expository writing include:

• Comparisons
• Descriptive details
• Definitions
• Charts and graphs

Formatting an expository essay

The typical format for an expository essay in school is the traditional five-paragraph essay. This includes an introduction and a conclusion, with three paragraphs for the body of the paper. Most often, these three paragraphs are limited to one subtopic each.

This is the basic essay format, but expository writing does not need to be limited to five paragraphs. No matter how long your essay is, be sure your introduction includes your thesis statement and that the paper is based on facts rather than opinions. And, as with all good essay writing , make sure to connect your paragraphs with transitions.

Methods for writing an expository essay

There are a few different methods for writing an expository essay. These include:

• Compare and contrast
• Cause and effect
• Problem and solution
• Extended definition

Generally, you will want to pick one method for each piece of expository writing. However, you may find that you can combine a few methods. The important thing is to stay focused on your topic and stick to the facts.

Now that you have a clearer understanding of expository writing, you're ready to write your essay. One final tip: be sure to give yourself plenty of time for the writing process. After you've completed your first draft, let your paper sit for a few days—this lets you return to it with fresh eyes. If you'd like a second opinion, our essay editors are always available to help.

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How to Write an Expository Essay

4-minute read

• 29th March 2020

An expository essay explains something. This means investigating an idea, looking at evidence, coming to a conclusion, and explaining your thinking. But how do you write a strong expository essay? Our top tips include:

• Read the essay prompt carefully and using it to guide your research.
• Come up with a thesis statement (i.e., a position that you’ll explain).
• Plan the structure of your essay before you start writing.
• Once you have a first draft, revise and proofread to make sure it is perfect.

For more advice on how this works, check out the guide below.

1. Read Your Essay Prompt

Most expository essay prompts will ask you to do one of the following:

• Define and explain a concept or theory.
• Compare and contrast two ideas.
• Examine a problem and propose a solution.
• Describe a cause and effect relationship.
• Explain a step-by-step process.
• Analyze a broad subject and classify examples into groups.

When you’ve been set an expository assignment, then, check the prompt or question carefully. You can use the phrasing to guide your research. You may also need to select a topic to write about. If so, try to think of something:

• You already know at least something about.
• You find interesting enough to research.
• That fits with the instructions in the essay prompt (e.g., if you’ve been asked to contrast two things, you’ll need a topic that allows for a comparison).
• That is narrow enough to discuss in one essay.

Start by brainstorming topics, then narrow it down to one or two ideas.

2. Come Up with a Thesis Statement

Once you have a topic, you’ll need to do some research and develop a thesis statement. This is the proposition or position that you’ll explain in your essay.

Your thesis statement should be something you can back up with evidence and facts, as well as something that answers the question in your essay prompt. Keep in mind, too, that an expository essay should present a balanced account of the facts available, not personal opinions. For instance, we’ve come up with thesis statements for a few example essay prompts:

When you’ve selected a thesis, make sure you’ve got evidence to back it up! This may mean doing a little more research before you start writing.

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3. Structuring an Expository Essay

The exact length and content of your essay will depend on the topic and prompt. However, most expository essays follow a similar basic structure:

• Introduction – A paragraph where you introduce the essay topic and your thesis statement (i.e., the issue or idea you will explain in the essay).
• Main Body – A series of short paragraphs in which you explain your thesis statement, providing evidence and arguments to support each point.
• Conclusion – A final paragraph where you restate your thesis and how your evidence supports this. Try not to introduce any new information here (if it’s important, it should go in the main body).
• References – If required, include a bibliography of sources you’ve used.

Before you start writing, then, create an essay outline with the structure above in mind and plan what each paragraph will say.

4. Editing and Proofreading

When you have a first draft, take a break and re-read it. Now comes the redrafting ! This is where you go back over your essay and look for areas to improve. Do you provide enough evidence? Is your argument clear? Even a few tweaks may increase your mark, so make sure to redraft at least once!

Finally, make sure to have your essay proofread before you submit it for marking. This will ensure your writing is error free and easy to read, giving you an even better chance of getting the grades you deserve.

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Expository Writing: Definition and Examples

Hannah Yang

Table of Contents

What is expository writing, what is an expository paragraph, expository writing examples, how prowritingaid can help you with expository composition.

One of the most common types of writing is expository writing. Whether you’re a student taking an English class or a professional trying to communicate to others in your field, you’ll need to use expository writing in your day-to-day work.

So, what exactly does this term mean?

The short answer is that expository writing refers to any writing designed primarily to explain or instruct.

Read on to learn the definition of expository writing as well as some examples of what this type of writing can look like.

Before we look at examples of expository writing, let’s start with a quick definition of what this term actually means.

Expository Writing Definition

The term expository writing refers to any writing that’s designed to explain something. We use the word expository to describe any passage of writing that’s supposed to present information and help you understand it in an objective way.

Some common examples of expository writing include academic essays, textbooks, instructional guides, and news reports. Good expository writing should be factual, objective, and clear.

To better understand what this term means, think about the difference between a scientific article, a short story, and an advertisement.

The scientific article is considered expository writing because its primary purpose is to explain a particular topic in more detail. It presents data, analyzes what that data means, and focuses on the facts.  

On the other hand, the short story isn’t considered expository writing, because its core purpose isn’t to explain or inform—instead, it’s probably trying to entertain you or to take you on a journey. Short stories are narrative writing.

Similarly, an advertisement isn’t expository writing because its core purpose isn’t to explain or inform—instead, it’s trying to persuade you to buy what it’s selling. Advertisements are persuasive writing.   

Here’s a quick rundown of what expository essays should and shouldn’t do.

An expository essay should:

Teach the reader about a particular topic

Focus on the facts

Follow a clearly organized structure

Present information and details from credible sources

An expository essay should not:

Try to change the reader’s mind about something

Present the author’s personal opinions

Include made-up narratives or stories

Follow experimental or nonlinear structures

An expository paragraph is exactly what it sounds like—a paragraph of expository writing.

A well-written expository paragraph should follow a specific format to make it as clear and easy to read as possible. Most expository paragraphs do the following things:

Start with a topic sentence, which explains what the paragraph will be about

Then, include 3 – 5 body sentences that provide supporting details for the topic sentence

Finally, wrap things up with a closing sentence that summarizes what the paragraph has said

Writing an expository paragraph is a great way to practice expository writing. That’s because the paragraph follows the same structure as a more complex expository essay, just on a smaller scale.

Most expository essays should follow this format:  

Start with an introductory paragraph that includes the thesis statement, which tells the reader the core statement of the essay

Then, include 3 – 5 body paragraphs that provide factual evidence to support the thesis statement

Finally, wrap things up with a concluding paragraph that summarizes what the body paragraphs and thesis statement said

You can see the similarities between the two formats. If you can write a fantastic expository paragraph, you’ll be well-prepared to move on to writing a full expository essay.

Example of Expository Paragraph

Here’s an example of an expository paragraph that follows the structure described above.

The leading cause of death in the United States is heart disease, which can be fatal if it leads to heart attack or cardiac arrest. Heart attacks occur when a blockage in the coronary artery prevents oxygenated blood from reaching the heart. Cardiac arrests occur when the heart stops pumping entirely, which prevents the patient from breathing normally. Both of these problems can be deadly, even in seemingly healthy people who don’t have noticeable risk factors. As a result, heart disease is an important problem that many doctors and scientists are researching.

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There are many ways you can present information in an expository essay. Here are four of the most popular ways, along with examples of each one.  

Problem and Solution Essay

A problem and solution essay presents the reader with a problem and then considers possible solutions to that problem. 

Here’s an example passage you might find in a problem and solution essay:

Among the many proposed solutions to rising carbon emissions, one promising possibility is carbon trapping. Scientists are figuring out how to pull carbon emissions out of the atmosphere and trap it in less harmful forms, such as by injecting carbon dioxide underground so it will turn to stone.

Compare and Contrast Essay

This type of essay takes two subjects and compares and contrasts them. It focuses on highlighting the differences and similarities between those two things.

Here’s an example passage of this type of expository writing:

Though country music and R&B music have very different sounds, they also share many similarities. For one thing, both types of music embody a specific cultural identity. For another, both genres trace their roots back to the 1920s, when the Victor Talking Machine Company signed singers from the American South.

Classification Essay

In a classification essay, you describe the categories within a certain group of things.  

Here’s an example passage you might find in a classification essay:

There are three ways in which artificial intelligence might become stronger than humans in the future: high speed, high collective intelligence, and high quality. A speed AI would be able to perform calculations and experience the world much faster than humans. A collective intelligence, like a hive mind, would be able to break down a complex task into several parts and pursue them simultaneously. Finally, a quality AI would simply be able to solve more complex problems than humans could.

Process Essay

In a process essay, you give the reader the steps for completing a specific process. This is similar to a how-to guide or an instruction manual.   

Here’s an example passage you might find in this type of expository writing:

Caramelize the chopped onions in a frying pan. When the onions have caramelized, mix in the bell peppers, mushrooms, and tomatoes and stir for 4 – 6 minutes or until all the ingredients have softened. If you want to add meat, you can add ground beef and cook for another 4 – 6 minutes. Season with salt and pepper to taste.  

Good expository writing should be easy to read. After all, the purpose of exposition is to explain things to your readers, and you won’t be able to accomplish that if they have trouble understanding your writing.

That’s why ProWritingAid can help you write an expository essay. The grammar checker can help you ensure your sentences flow well, you’re not missing any necessary punctuation, and all your words are precise and clear.

Good luck, and happy writing!

Hannah is a speculative fiction writer who loves all things strange and surreal. She holds a BA from Yale University and lives in Colorado. When she’s not busy writing, you can find her painting watercolors, playing her ukulele, or hiking in the Rockies. Follow her work on hannahyang.com or on Twitter at @hannahxyang.

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How to Write an Expository Essay

Published by Grace Graffin at August 17th, 2021 , Revised On July 26, 2023

Expository means “to describe or explain something” . It is related to the words ‘exposition’, ‘expound’, and ‘expose’ – to explain or reveal the meaning, to lay open, speak one’s mind.

Whenever there is a need to gather research and describe an idea, a  topic , or a process clearly and logically, it is done in the form of an expository  essay .

An expository essay requires the writer to take a balanced approach to the subject matter rather than justifying a particular point of view.

Expository essays are assigned to students to evaluate their subject knowledge and composition skills. When compared with  argumentative essays , they involve a lot less research.

Definition of Expository Essay

“The expository essay is the  type of essay  that involves an investigation of an idea or topic, appraises relevant supporting evidence material, and presents an argument in a clear and concise manner. ”

When to Write an Expository Essay

Your school or university could assign an expository essay to you as coursework or as part of an online exam.

However, the guidelines may or may not clearly state that your assignment is an expository essay. If that is the case, then look for keywords like ‘explain’, ‘describe’, ‘define’, etc., to be sure that what has been asked for is an expository essay.

You might even be asked to explain and emphasise a particular concept or term. Writing a simple definition will not be enough because you will be expected to explore the ideas in detail.

Writing an Expository Essay

An expository essay should not be based on your  personal  experiences and opinions. It rather takes an objective approach. You will be expected to explain the topic in a balanced way without any personal bias.

Make sure to avoid the first and second person (“I” and “You”) when writing an expository essay.

How to Structure an Expository Essay

The  structure  and format of your expository essay assignment will depend on your school’s guidelines and the topic you are investigating. However, it is always a good idea to develop an outline for your  essay  before starting to work.

The Five-Paragraph Essay Writing Approach

An expository essay will require you to take the five-paragraph essay approach: an  introductory paragraph , a main body paragraph , and a concluding paragraph . This is often referred to as the hamburger style of the essay because, like a hamburger, it contains five main parts: the introduction and conclusion being the bun that encapsulates everything.

Rationale and Thesis Statement

Start your essay  with a rationale and thesis, also known as the  thesis statement , so your readers know what you set out to achieve in your expository essay assignment. Ensure the thesis statement is narrow enough to follow the guidelines in the assignment brief. If the thesis statement is weak and too broad, you will struggle to produce a flawless expository essay.

The Framework

Construct a framework, so you know what elements will constitute the basis of your essay.

Expository Essay Introduction

Like other  essay types , an expository essay begins with an  introduction , including a hook, background to the topic, and a thesis statement. Once you have grabbed the readers’ interest, it will be easier to get them to read the remaining essay.

Frequently Asked Questions

Will i need the skill of expository writing after i finish my studies.

It depends on what you are studying for. While you might or might not write any more expository essays after your formal education has ended, the skill will be very useful in certain careers, such as business reports, journalism, and in scientific and technical writing.

How does an expository essay differ from an argumentative essay?

An argumentative essay is usually longer and requires more research. It starts with a claim about something that will need supporting evidence. And both sides of the argument need to be discussed. In an expository essay, there is no requirement to make an original argument and defend/support it.

What is the purpose of expository essays?

This style of essay is necessary when you have to showcase your knowledge on a given subject, or your ability to gather research on one and present your findings.

How long is an expository essay?

There is no fixed length but an expository essay could be part of an exam, in which case it might only be 1,000 words or less. They are usually shorter than argumentative essays . It can depend on the subject under discussion. You will likely be given instructions on the required word count.

Are there different types of expository essay?

There are six different types of expository essay, each with a different purpose.

The six types are:

Process essay – describing a task, a method, how to complete something Cause and effect essay – why something happened and its effects Problem-solution essay – provide analysis of problems and their solutions Compare and contrast essay – describe the similarities and differences between two subjects Definition essay – define the topic in detail and explain the how, what, and why Classification essay – separate the topic’s categories and define them in detail

When you are assigned your essay, you should be able to distinguish which of these approaches you are required to take.

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expository essay

What is expository essay definition, usage, and literary examples, expository essay definition.

An  expository essay  [ik-SPOZ-ih-tohr-ee ess-ay] is an essay in which the writer researches a topic and uses evidence to inform their readers or clarify the topic. They can take many forms, including a how-to essay, an essay that defines something, or an essay that studies a problem and offers a solution.

The Five-Paragraph Model

Most expository essays follow the five-paragraph essay model:

• Introduction:  The introduction contains the thesis statement or main point of the essay. Here, the writer describes the subject and gives necessary  context .
• Body:  This section is usually three or more paragraphs and offers supporting evidence for the thesis.
• Conclusion:  The conclusion revisits the thesis and summarizes the writer’s main points.

Types of Expository Essays

There are several types of expository essays that can be written.

• Cause and Effect:  These essays question why something happened and the outcome of that occurrence. For example, an essay of this type might question why there’s a large homeless population in Seattle and what effects it has on the city and its citizens.
• Classification:  These break a broad subject down into several, in-depth subcategories. A classification essay might study the various kinds of movies, define genres, and break the most common genres down by subgenre (for example, action thriller and action adventure as subgenres of the action genre).
• Compare and Contrast:  These essays lay out the similarities and differences of at least two subjects. One such essay might compare two different novels by the same author. These essays can explore the pros and cons of different choices as well, like living in the city versus living in the country.
• Definition:  As indicated, a definition essay describes or defines something. For example, it might define the internet and provide a detailed explanation of how it works.
• How-To:  Also called a process essay, a how-to essay gives the reader steps for creating or doing something. For example, a process essay might walk its reader through setting a table, step by step.
• Problem and Solution:  This type of essay explores a problem and, using evidential support, offers potential solutions. For example, a writer might consider the example of Seattle’s homeless population, cite a solution that other cities have used successfully, and propose that same solution for Seattle.

Other Forms of Expository Writing

In addition to the aforementioned, there are other uses for expository writing. Most commonly:

• Newspaper articles
• Encyclopedic entries
• Manuals/assembly instructions

Expository vs. Argumentative Essays

Expository essays are like argumentative essays in that they both require research. Unlike argumentative essays, expository essays are meant to inform their audience rather than persuade it.

Argumentative essays are often controversial and contain the writer’s personal opinions, whereas expository essays give factual information and explore a topic from many  perspectives . Educational spheres often use expository essays to test writing ability, reading comprehension, and/or the writer’s understanding of a topic.

Examples of Expository Essays

1. Susan Sontag, “Notes on ‘Camp’”

This is a definition essay that explores the meaning and usage of the slang word  camp . When she wrote the essay in 1964, people used the word to describe a person or thing as exaggerated, effeminate, or theatrical. Sontag suggests that camp isn’t a solid concept but rather a sensibility, and she acknowledges its connection to contemporary gay culture. Her definition of camp is given in the following passage:

[Camp] is not a natural mode of sensibility, if there be any such. Indeed the essence of Camp is its love of the unnatural: of artifice and exaggeration. And Camp is esoteric–something of a private code, a badge of identity even, among small urban cliques.

2. David Foster Wallace, “Consider the Lobster”

Herein, Wallace reviews the 2003 Main Lobster Festival and questions the morality of boiling lobsters alive. He examines the problem from all facets, including whether a lobster feels pain, without directly asserting his opinion. After descriptions of the festival, physical properties of lobsters, and the common use of the crustaceans, Wallace poses the main question of the essay:

So then here is a question that’s all but unavoidable at the World’s Largest Lobster Cooker, and may arise in the kitchens across the U.S. Is it all right to boil a sentient creature alive just for our gustatory pleasure? A related set of concerns: Is the previous question irksomely PC or sentimental? What does “all right” even mean in this context? Is it all just a matter of individual choice?

3. Rebecca Solnit, “The Longest War”

From Solnit’s 2014 book of essays,  Men Explain Things to Me , “The Longest War” explores issues of male violence against women. Solnit uses both statistical and  anecdotal  evidence to inform her audience of the issue, which supports some of her argumentative essays that appear later in the book:

[T]hough a rape is reported only every 6.2 minutes in this country, the estimated total is perhaps five times as high. Which means that there may be very nearly a rape a minute in the United States. It all adds up to tens of millions of rape victims. A significant portion of the women you know are survivors.

Further Resources on Expository Essays

You can find more examples of expository essays on  LiteraryDevices.net .

Bibme.org  offers guidance for writing expository essays.

Essaytigers.com  provides step-by-step writing instructions and an additional argumentative essay and expository essay comparison.

Related Terms

• Argumentative Essay
• Expository Writing

Expository Essay

Definition of expository essay.

Expose means to uncover or lay something bare, or to discover something in a way that others know what it is. Expository is derived from exposition , which is a noun of ‘expose.’ An expository essay is a genre of writing which tends to explain, illustrate, clarify, or explicate something in a way that it becomes clear for readers. Therefore, it could be an investigation, evaluation, or even argumentation about an idea for clarification.

Types of Expository Essay

Expository essay is further divided into five major categories .

• Descriptive Essay : A descriptive essay describes something, some place, some experience, or some situation through sensory information.
• Process Essay : A process essay explains or shows a process of making or doing something.
• Comparison Essay : A comparison essay makes comparison and contrasts between two things.
• Cause/Effect Essay : A cause and effect essay finds out the cause of something and then its effects on something else.
• Problem/Solution Essay : A problem/solution essay presents a problem and its solution for readers.

Difference Between an Expository Essay and an Argumentative Essay

As is clear, an expository essay is an exposition, explanation, investigation, or illustration for the purpose of clarification, therefore, its tone is often kept neutral. However, in an argumentative essay , a clear position about something is taken before the argument is presented. There is no issue of objectivity or neutrality.

Examples of Expository Essay in Literature

Example #1: how chinese mothers are superior (by amy chua).

“I’m using the term ‘Chinese mother’ loosely. I know some Korean, Indian, Jamaican, Irish and Ghanaian parents who qualify too. Conversely, I know some mothers of Chinese heritage, almost always born in the West, who are not Chinese mothers, by choice or otherwise. I’m also using the term ‘Western parents’ loosely. Western parents come in all varieties. All the same, even when Western parents think they’re being strict, they usually don’t come close to being Chinese mothers. For example, my Western friends who consider themselves strict make their children practice their instruments 30 minutes every day. An hour at most. For a Chinese mother, the first hour is the easy part. It’s hours two and three that get tough.”

This is an excerpt from a comparison/ contrast essay by Amy Chua, which explains how mothers are different in different cultures. This paragraph compares mothers from Chinese, Iranian, Jamaican, and Irish contexts .

Example #2: Learning to Read (by Malcolm X)

“It was because of my letters that I happened to stumble upon starting to acquire some kind of a homemade education. I became increasingly frustrated at not being able to express what I wanted to convey in letters that I wrote, especially those to Mr. Elijah Muhammad. In the street, I had been the most articulate hustler out there. I had commanded attention when I said something. But now , trying to write simple English, I not only wasn’t articulate, I wasn’t even functional. How would I sound writing in slang , the way I would say it, something such as, ‘Look, daddy , let me pull your coat about a cat, Elijah Muhammad — ‘ Many who today hear me somewhere in person, or on television, or those who read something I’ve said, will think I went to school far beyond the eighth grade. This impression is due entirely to my prison studies.”

This passage has been taken from a process essay. In this essay, Malcolm X tells the process of his learning. In this paragraph, he gives full detail how he learns letters.

Example #3: Summer Ritual (by Ray Bradbury)

“About seven o’clock you could hear the chairs scraping from the tables, someone experimenting with a yellow-toothed piano , if you stood outside the dining-room window and listened. Matches being struck, the first dishes bubbling in the suds and tinkling on the wall racks, somewhere, faintly, a phonograph playing. And then as the evening changed the hour, at house after house on the twilight streets, under the immense oaks and elms , on shady porches, people would begin to appear, like those figures who tell good or bad weather in rain -or-shine clocks. Uncle Bert, perhaps Grandfather, then Father, and some of the cousins; the men all coming out first into the syrupy evening, blowing smoke, leaving the wSWomen’s voices behind in the cooling-warm kitchen to set their universe aright. Then the first male voices under the porch brim, the feet up, the boys fringed on the worn steps or wooden rails where sometime during the evening something, a boy or a geranium pot, would fall off.”

This is an example of a passage from a descriptive essay. It has full description which tells us about sounds and colors; a type of sensory information.

Functions of an Expository Essay

The function of an expository essay is to clarify and expose things, ideas, persons, and places through description, process, comparison/contrast, or through problem solution. The objective of this type of essay is to make readers aware of things given in the essay. It proves full and detailed information in a way that readers become knowledgeable about the topic.

Related posts:

• Elements of an Essay
• Narrative Essay
• Definition Essay
• Descriptive Essay
• Types of Essay
• Analytical Essay
• Argumentative Essay
• Cause and Effect Essay
• Critical Essay
• Persuasive Essay
• Process Essay
• Explicatory Essay
• An Essay on Man: Epistle I
• Comparison and Contrast Essay

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How to Write an Expository Essay Better, Faster, and In a More Satisfying Manner

What Is an Expository Essay?

If you find yourself here, it's likely because you've recently received an assignment for an expository essay, or perhaps you're drawn to exploring ideas beyond the surface level. Whatever the reason, we're here to guide you through the expository essay definition, its outline, and examples.

Let's start by understanding what an expository essay is and its purpose. In simple terms, an expository essay provides information on a particular topic, elucidating aspects of a situation, person, idea, or event and conveying knowledge to the reader. Unlike persuasive writing, it doesn't seek to sway the audience's opinion but relies on facts to inform and educate about the subject. 

From sharing personal experiences to outlining work assignments, expository writing covers a broad spectrum of questions, making it arguably the most prevalent form of writing worldwide. If at any point you feel overburdened with assignments, use our essay writing services to relax and wrap up your homework faster.

Why Students Have to Write Expository Essays?

Expository writing serves a distinct purpose – to impart knowledge to the reader. While it may offer entertainment or persuasion as secondary benefits, these are not the primary objectives of the author. A well-crafted piece of expository writing showcases the author's expertise on the subject and often reveals their journey of acquiring knowledge.

For instance, consider the task of crafting an essay about a mock trial your class conducted. In an expository essay, you would begin by introducing the assignment and detailing the case your class tackled during the trial. Subsequent body sections would systematically elaborate on each stage of the mock trial process – covering discovery, opening statements, cross-examination, closing statements, jury deliberation, and the final verdict – illustrating how your class navigated through each phase. Concluding the essay, you would present the verdict reached by your class and the judge's ruling.

Crucially, your expository essay on the mock trial does not take a stance on whether the ruling was right or wrong. Instead, it elucidates the procedural intricacies your class followed, offering a comprehensive understanding of how real court cases progress through the legal system. In essence, your essay is a presentation of facts and processes rather than expressing personal opinion or commentary.

Types of Expository Essays

As previously noted, expository essays manifest in various forms. These encompass the following types:

Classification 

In the realm of classification essays, you delve into various subjects within a single category, examining the distinctive characteristics of each subject while highlighting the traits that connect them to others in the same category. For instance, a classification essay on herding dogs could commence with a thesis statement elucidating the differences between herding breeds from other dog categories. Subsequent paragraphs would then delve into specific herding breeds, such as corgis, collies, heelers, and more.

A definition essay elucidates its subject by presenting factual data. To illustrate, your definition essay might challenge prevalent myths surrounding a historical event by offering firsthand accounts from primary sources. It would also delve into relevant social, political, and economic trends that influenced the event, shaping perceptions of it. We’d also like to recommend you read our guide on how to write a descriptive essay .

A process essay guides the reviewer through the steps required to complete a task akin to a recipe. The opening passage of a process essay outlines the covered process and the anticipated result. Each body chapter corresponds to a step in the process, leading to a conclusion that explains what the reader should have accomplished by following each step.

Compare and Contrast

In a compare-and-contrast essay, your key statement is substantiated by examining the differences and similarities between cited sources. For instance, an essay comparing and contrasting school dress codes might scrutinize variations in allowed clothing items and the precision of language in each policy. It could also explore the degree of ambiguity present in the rules of each dress code.

Cause and Effect 

True to its name, a cause-and-effect essay delves into how specific events or actions trigger subsequent occurrences. These essays often trace chains of events to comprehend the reasons behind current circumstances. An example could be a cause-and-effect essay tracking the influence of shifting market trends on regional industries over the past few decades, ultimately shaping the present local economy. Our guide on writing a narrative essay could also help increase your knowledge and skills.

Expository Essay Structure

Structuring an expository essay follows the familiar format applicable to any essay assignment: an introduction, a main body for elaboration and support, and a concluding section that reinforces your thesis and restates key points. While there's no strict word count requirement unless specified by your instructor, your essay should comprehensively express your ideas, maintaining a logical and accurate flow. Adhering to the following format, with the flexibility to adjust the number of sections based on supporting points, will effectively guide your expository essay:

Introduction

In this opening section, you introduce your essay topic, present your thesis statement, and aim to engage the reader with captivating facts. Providing the necessary context and introducing supporting evidence help your audience grasp the essence of your focal sentence.

First Body Paragraph

Dedicate a separate passage for each supporting point you make. While the traditional five-paragraph structure is often considered standard, you may require more subsections to convey your thesis statement thoroughly.

Second Body Paragraph

Write smooth transitions between verses using appropriate transition words and sentences. These transitional elements convey the relationships between subparagraphs, clarifying the purpose of each point and its contribution to your overall argument.

Third Body Paragraph

As you approach the final writing clause, focus on transitioning to your conclusion. Avoid premature summarization; instead, offer insightful details comparable to your earlier items.

In the concluding section, restate your thesis statement and succinctly recap the key points covered in your body. Ensure a cohesive closure, addressing any remaining questions your professor might have and tying up loose ends neatly.

Expository Essay Writing Tips

While you now have a solid understanding of the expository essay format, there are additional considerations to bear in mind. This section will guide you through specific steps to take when tackling the task of writing an expository essay.

Do Your Research

Start by thoroughly reviewing the assignment guidelines to ensure a clear understanding of requirements, including potential topic restrictions and word counts. Consider writing down different concepts aligned with the types of expository essays and gauge which type best suits your chosen theme. Reflect on class discussions, teacher expectations, and personal interests to generate a list of potential questions. Conduct preliminary research on each topic to evaluate the availability of reputable sources and deepen your understanding, leading to a well-informed and engaging expository essay subject.

Create an Outline

Once you've selected a topic, initiate research with a focus on developing body paragraphs, considering three main ways to explain the topic. While researching, contemplate potential thesis statements, allowing them to evolve organically with the accumulation of evidence. Develop an expository essay outline, organizing information under the relevant chapters to streamline the writing process. Writing a preliminary thesis statement by the end of the planning stage provides a clear direction for your research and writing.

Prepare the First Draft

Now is the time to translate your outline into full sentences. It is often useful to leave the introduction till the end because after writing the central paragraphs, you will have a better idea of what to say in an introduction, but make sure that you write down your thesis statement. Use the information you have found to create a cohesive analysis of the topic in each paragraph. Make sure that the information you present is on point and connects to the other facts around it. Think about what the purpose of each body section is and question whether the info you are presenting fits that purpose or not. Make sure to use transition words within the paragraph and transition sentences between paragraphs to improve overall comprehensibility and flow.

Finish the Draft

Go over the first draft of the expository essay and focus on whether the different paragraphs make sense or not. Don't be afraid of writing sections over or completely getting rid of some pieces of information. As you write your draft, new ways of expressing the testimony that will make the overall text more powerful can come to mind. Make sure that you are not trying to make a persuasive argument and that you are using facts rather than opinions as evidence. 

Check each sentence to make sure that it is clear and that it fits the purpose of the paragraph it is in. Look at the details you have included and ensure they are useful and enhance your understanding of the topic. It is better to have less information than more if the supporting data is distracting or does not add anything to the expository essay. Try to read the paper as if it is the first time you are coming across the subject matter to see if it makes sense or not. Congratulations, you are just one step away from writing and submitting an A-grade expository paper!

Revise the Document

As the writing stage is over, scan through the final draft of your expository essay to check for formatting errors, grammatical errors, spelling mistakes, etc., and make sure that it complies with all the guidelines of the assignment. Finally, ask a friend or relative to go over the paper to do the last check. If you feel like you still need to make a lot of changes, don't be disheartened, spend the extra time to consult our persuasive essay guide for more insights. 

Expository Essay Example

In this section, we’d like to present an example of an expository essay written by one of our writers. Check it out, get inspired, and you’ll be able to write a composition of your own!

FAQs About Expository Essays

What is the purpose of an expository essay, how to start an expository essay, how to write a thesis for an expository essay, how to write a conclusion for an expository essay, how are a persuasive essay and an expository essay different.

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Home / Guides / Writing Guides / Paper Types / How to Write an Expository Essay

How to Write an Expository Essay

Every student has to write an expository essay at least once in their educational career. These are actually fairly simple essays to write, but they do require some serious research skills. Like most academic essays, the expository essay requires formal writing with an introduction, body, and conclusion.

Guide Overview

• Focus on the thesis
• Listen to the assignment
• Explain, don’t argue
• Revise and edit, revise and edit
• Choosing the right topic

Tips for Writing a Kick-Butt Essay

Want to really impress your professor? Here are a few ways you can turn an ordinary essay into something that will blow their socks off.

Focus on the Thesis

Your thesis is the central point of the entire essay, so if it’s amazing, you’re off to a great start. Begin with this and make sure you decide on something that is impressive to kick off the essay.

Listen to the Assignment

Your professor may give you hints on what they’re looking for. If you just write down the basics of the assignment, you could miss out on some key points. For example, your professor may hint at a preferred topic or give tips that could result in a higher score. Write it all down and then analyze what is wanted before you write.

Long before you actually put pen to paper or fingers to keyboard to write the essay, you need to complete the pre-writing phase. This is where you do research and outline your essay. You’ll be amazed at how much better your writing is when you have these basic elements in place first. If you need help with these basic elements consider using an Expository Essay Template.

Explain, Don’t Argue

If you’re not careful, an expository essay can turn into a persuasive or argumentative essay. Focus on explaining the topic, rather than convincing people of something about it.

Revise and Edit, Revise and Edit

Going over the essay once to edit and polish isn’t really enough. If you’re tight on time, such as when writing an essay for an exam, just once will do. However, if you have time, it’s a good idea to edit immediately, then let the essay sit overnight or even longer. When you come back, you won’t be as close to the writing and can look at it more objectively.

Choosing the Right Topic

Topics for an expository essay vary widely, but ideally, you should select something you’re interested in writing about. Topics can answer a question such as “How can we prevent bullying in school?” or they can describe something like a historical building in your area. Other interesting topics to inspire you include:

• How does technology affect our relationships?
• How to treat a burn
• What are the must-haves for a freshman in college?
• How to handle anxiety attacks naturally
• How to train your dog to stop barking on command
• Research the history of a monument in your area
• Why roller skating is a great exercise

As you can see, there’s no limit to the types of topics you can choose for your essay and it really comes down to what the professor assigns you and what you enjoy writing about. How narrow your topic is will also depend on how much you plan to write. An entire history of the Civil War won’t fit into two page, for example, so you’ll need to narrow it down to a specific battle or element of the Civil War.

Writing an expository essay can actually be a fun experience if you approach it the right way. When you enjoy the topic and are interested in it, your essay will show that and will stand out from those written out of boredom.

Finally, if you’re ever facing writer’s block for your college paper, consider WriteWell Essay Templates to help you get started.

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What Is Expository Writing?

How to Write an Expository Essay

• Ph.D., Rhetoric and English, University of Georgia
• M.A., Modern English and American Literature, University of Leicester
• B.A., English, State University of New York

Expository writing is used to convey factual information (as opposed to creative writing, such as fiction). It is the language of learning and understanding the world around us. If you've ever read an encyclopedia entry, a how-to article on a website, or a chapter in a textbook, then you've encountered examples of expository writing.

Key Takeaways: Expository Writing

• Just the facts, M'am: Expository writing is informational, not creative writing.
• Anytime you write to describe or explain, you use expository writing.
• Use a logical flow when planning an expository essay, report, or article: introduction, body text, and conclusion.
• It's often easier to write the body of your article first, before composing the introduction or conclusion.

Expository writing is everywhere in everyday life, not just academic settings, as it's present anytime there's information to be conveyed. It can take form in an academic paper, an article for a newspaper, a report for a business, or even book-length nonfiction. It explains, informs, and describes.

Types of Expository Writing

In  composition studies , expository writing (also called exposition ) is one of the four traditional  modes of discourse . It may include elements of  narration ,  description , and  argumentation . Unlike creative or  persuasive writing , which can appeal to emotions and use anecdotes, expository writing's primary  purpose  is to deliver information about an issue, subject, method, or idea using facts.

Exposition may take one of several forms:

• Descriptive/definition:  In this style of writing, topics are defined by characteristics, traits, and examples. An encyclopedia entry is a kind of descriptive essay. 
• Process/sequential:  This essay outlines a series of steps needed in order to complete a task or produce something. A recipe at the end of an article in a food magazine is one example.
• Comparative/contrast:  This kind of exposition is used to demonstrate how two or more subjects are the same and different. An article that explains the difference between owning and renting a home and the benefits and drawbacks of each is one such an example.
• Cause/effect:  This kind of essay describes how one step leads to a result. An example is a personal blog chronicling a workout regimen and documenting the results over time.
• Problem/solution: This type of essay presents a problem and possible solutions, backed by data and facts, not just opinion.
• Classification: A classification essay breaks down a broad topic into categories or groupings.

Tips for Expository Writing

As you write, keep in mind some of these tips for creating an effective expository essay:

Start where you know the information best. You don't have to write your introduction first. In fact, it might be easier to wait until the end for that. If you don't like the look of a blank page, move over the slugs from your outline for the main body paragraphs and write the topic sentences for each. Then start putting in your information according to each paragraph's topic.

Be clear and concise.  Readers have a limited attention span. Make your case succinctly in language that the average reader can understand. 

Stick to the facts.  Although an exposition can be persuasive, it should not be based on opinion only. Support your case with facts, data, and reputable sources that can be documented and verified.

Consider voice and tone.  How you address the reader depends on the kind of essay you're writing. An essay written in the first person is fine for a personal travel essay but is inappropriate if you're a business reporter describing a patent lawsuit. Think about your audience before you begin writing.

Planning Your Essay

• Brainstorm: Jot down ideas on a blank piece of paper. Connect them with arrows and lines, or just make lists. Rigor doesn't matter at this stage. Bad ideas don't matter at this stage. Just write down ideas, and the engine in your head will lead you to a good one. When you've got that idea, then repeat the brainstorming exercise with ideas that you want to pursue on that topic and information you could put in. From this list, you'll start to see a path emerge for your research or narrative to follow.
• Compose your thesis: When your ideas coalesce into a sentence in which you can summarize the topic you're writing about, you're ready to compose your thesis sentence. Write down in one sentence the main idea that you'll explore in your paper.
• Examine your thesis: Is it clear? Does it contain opinion? If so, revise that out. For this type of essay, you stick to the facts and evidence. This isn't an editorial. Is the thesis' scope manageable? You don't want your topic too narrow or too broad to be covered in the amount of space you have for your paper. If it's not a manageable topic, refine it. Don't be dismayed if you have to come back and tweak it if your research finds that your initial idea was off-kilter. It's all just part of the process of focusing the material.
• Outline: It may seem inconsequential, but making even a quick outline can save you time by organizing your areas of pursuit and narrowing them down. When you see your topics in an organized list, you may be able to discard off-topic threads before you research them—or as you're researching them and you find they just don't work.
• Research: Find your data and sources to back up the areas you want to pursue to support your thesis statement. Look for sources written by experts, including organizations, and watch for bias. Possible sources include statistics, definitions, charts and graphs, and expert quotes and anecdotes. Compile descriptive details and comparisons to make your topic clear to your reader, when applicable.

What Is an Expository Essay?

An expository essay has three basic parts: the introduction, the body, and the conclusion. Each is crucial to writing a clear article or effective argument.

The introduction: The first paragraph is where you'll lay the foundation for your essay and give the reader an overview of your thesis. Use your opening sentence to get the reader's attention, and then follow up with a few sentences that give your reader some context for the information you're about to cover.

The body:  At a minimum, include three to five paragraphs in the body of your expository essay. The body could be considerably longer, depending on your topic and audience. Each paragraph begins with a topic sentence where you state your case or objective. Each topic sentence supports your overall thesis statement. Then, each paragraph includes several sentences that expand on the information and/or support the topic sentence. Finally, a concluding sentence offers a transition to the following paragraph in the essay.

The conclusion:  The final section of your expository essay should give the reader a concise overview of your thesis. The intent is not merely to summarize your argument but to use it as a means of proposing further action, offering a solution, or posing new questions to explore. Don't cover new material related to your thesis, though. This is where you wrap it all up.

Expository Examples

An expository article or report about a lake, for example, could discuss its ecosystem: the plants and animals that depend on it along with its climate. It could describe physical details about its size, depth, amount of rainfall each year, and the number of tourists it receives annually. Information on when it was formed, its best fishing spots, or its water quality could be included, depending on the audience for the piece.

An expository piece could be in third person or second person. Second-person examples could include, for example, how to test lake water for pollutants or how to kill invasive species. Expository writing is useful and informative.

In contrast, someone writing a creative nonfiction article about a lake might relate the place to a defining moment in his or her life, penning the piece in first person. It could be filled with emotion, opinion, sensory details, and even include dialogue and flashbacks. It's a much more evocative, personal type of writing than an expository piece, even though they're both nonfiction styles.

• The Ultimate Guide to the 5-Paragraph Essay
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• Understanding Organization in Composition and Speech
• Development in Composition: Building an Essay
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• Definition and Examples of Body Paragraphs in Composition
• Tips for Writing an Art History Paper
• Understanding What an Expository Essay Is
• What an Essay Is and How to Write One
• 6 Steps to Writing the Perfect Personal Essay
• Write an Attention-Grabbing Opening Sentence for an Essay
• Expository Essay Genre With Suggested Prompts
• Tips on How to Write an Argumentative Essay
• How to Write a Narrative Essay or Speech

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4.1: Expository Essays

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Learning Objectives

• Understand the function and use of expository essays
• Identify eight types of expository essays
• Apply expository essay structure

What Is an Expository Essay?

An essay that explains a writer’s ideas by defining, explaining, informing, or elaborating on points to allow the reader to clearly understand the concept.

Many of your future academic workplace writing assignments will be expository–explaining your ideas or the significance of a concept or action. An expository essay allows the writer the opportunity to explain his or her ideas about a topic and to provide clarity for the reader by using:

• Explanations
• Definitions

It may also include the writer outlining steps of a procedure in a way that is straightforward for the reader to follow. It is purely informative and often contains elements of summary.

Imagine you need to verbally explain a concept to your classmates, maybe a behavioural theory. What are the key elements on which you would focus? How would you organize the information? You could explain who came up with the theory, the specific area of study to which it is related, its purpose, and the significant details to explain the theory. Telling these four elements to your classmates would give them a complete, yet summarized, picture of the theory, so they could apply the theory in future discussions.

Although you did this verbally, you were still fulfilling the elements of an expository essay by providing definition, details, explanations, and maybe even facts if you have a really good memory. This is the same process that you would use when you write an expository essay. You may actually be doing this all the time; for example, when you are giving someone directions to a place or explaining how to cook something. In the following sections of the chapter, you will practise doing this more in different expository written forms.

The Structure of an Expository Essay

Sections versus paragraphs.

Before looking at the general structure of an expository essay, you first need to know that in your post-secondary education, you should not consider your essay as writing being constructed with five paragraphs as you might have been used to in high school. You should instead think of your essay in terms of sections (there may be five), and each section may have multiple paragraphs.

To understand further why you need to think beyond the five-paragraph essay, imagine you have been asked to submit a six-page paper (approximately 1,500 words). You already know that each paragraph should be roughly 75 to 200 words long. If you divide the required word count by five paragraphs (1,500 by 5), you end with 300 words per paragraph, way above the number you should have in a paragraph. If your paragraphs are too long, they likely have too many ideas and your reader may become confused. Your paragraphs should be two-third of a page at most, and never longer than a page.

Instead, if you think of your essays being divided into sections (with possibly more than one paragraph per section), your writing will likely be more organized and allow your reader to follow your presentation of ideas without creating too much distance between your paragraph’s supporting points and its topic sentence.

As you will see in Section 4.5, some essay forms may require even more than five paragraphs or sections because of how many points are necessary to address. For the rest of this chapter, the term paragraph will also imply section.

Sections of an Expository Essay

An expository essay, regardless of its purpose, should have at least five sections, which are:

• Introduction
• First body section/paragraph
• Second body section/paragraph
• Third body section/paragraph
• Conclusion.

The introduction should state the topic of your paper: your thesis statement as well as brief signposts of what information the rest of the paper will include. That is, you only want to mention the content of the body paragraphs; you do not want to go in to a lot of detail and repeat what will be in the rest of the essay.

The first body section or paragraph should focus on one of your main points and provide evidence to support that point. There should be two to three supporting points: reasons, facts, statistics, quotations, examples, or a mix of these. Both the second and third body sections should follow the same pattern. Providing three body sections with one point each that supports the thesis should provide the reader with enough detail to be convinced of your argument or fully understand the concept you are explaining. However, remember that some sections will require more explanation, and you may need to separate this information into multiple paragraphs.

You can order your sections in the most logical way to explain your ideas. For example, if you are describing a process, you may use chronological order to show the definite time order in which the steps need to happen. You will learn about the different ways to organize your body paragraphs in the next chapter.

The concluding paragraph , or conclusion, can be a little tricky to compose because you need to make sure you give a concise summary of the body paragraphs, but you must be careful not to simply repeat what you have already written. Look back at the main idea of each section/paragraph, and try to summarize the point using words different from those you have already used. Do not include any new points in your concluding paragraph.

Consider Your Audience: How Much Do They Know?

Later in this chapter, you will work on determining and adapting to your audience when writing, but with an expository essay, since you are defining or informing your audience on a certain topic, you need to evaluate how much your audience knows about that topic (aside from having general common knowledge). You want to make sure you are giving thorough, comprehensive, and clear explanations on the topic. Never assume the reader knows everything about your topic (even if it is covered in the reader’s field of study). For example, even though some of your instructors may teach criminology, they may have specialized in different areas from the one about which you are writing; they most likely have a strong understanding of the concepts but may not recall all the small details on the topic. If your instructor specialized in crime mapping and data analysis for example, he or she may not have a strong recollection of specific criminological theories related to other areas of study. Providing enough background information without being too detailed is a fine balance, but you always want to ensure you have no gaps in the information, so your reader will not have to guess your intention. Again, we will practise this more in Section 4.9.

What Comes Next?

In the next eight sections (4.2 through 4.9), we will look at different expository modes, or rhetorical modes, you will often be assigned. These are:

• Illustration
• Description
• Classification
• Process analysis
• Compare and contrast
• Cause and effect

Rhetorical modes refers simply to the ways to communicate effectively through language. As you read about these modes, keep in mind that the rhetorical mode a writer chooses depends on his or her purpose for writing. Sometimes writers incorporate a variety of modes in any one essay. In this chapter, we also emphasize the rhetorical modes as a set of tools that will allow you greater flexibility and effectiveness in communicating with your audience and expressing your ideas.

In a few weeks, you will need to submit your first essay–an expository sample–and you will be given the choice of topic: one from each of the modes. Think about which types of expository essays are easier and which are more challenging for you. As mentioned, as you progress through your studies, you will be exposed to each of these types. You may want to explore a mode you find more challenging than the others in order to ensure you have a full grasp on developing each type. However, it is up to you. As you work through the sections, think about possible topics you may like to cover in your expository essay and start brainstorming as you work through the self-practice exercises.

After we explore each of the individual modes in the eight sections that follow, we will look at outlining and drafting; it is at this point you will want to fine tune and narrow the topic you will write about, so you can focus on that when doing the exercises.