Unit 3 Part 1 Test Review Style Author’s style is the way they use language. It includes the following: Diction: word choice Syntax: sentence patterns/ repetition Tone: author’s attitude toward the subject Expository Essay An expository essay is a piece of nonfiction that presents information or explains a process. The author may use the following techniques: Description: sense language Compare and Contrast Cause and Effect Biography Biographical writing is nonfiction where the writer tells the life story of another person. It includes facts about the person’s life and a narrator telling about their life. The details an author chooses to describe help to create our impression of the subject. Main Idea and Supporting Details The main idea is the central message in a work of nonfiction. Supporting details are pieces of evidence that help prove the main idea. Before and during reading ask questions to figure out the main idea: What conclusion did the author reach? Why did the author choose this title? You can also try rereading the passage to help determine the main idea.