When you are writing an expository essay the purpose is to present an idea completely and fairly. In these types of essays you are not writing a criticism, argument or devolving something you are to completely take the topic at hand and expose all its parts the good and the bad. To write a good essay you need to research the topic fully, do not rely on just one source about a specific topic.
. Write to your audience, using phrases and wording that will be understood. For more information on expository essays you can go to: http://essayinfo.com/essays/expository_essay.php .