How does expository text aid in building students' vocabulary knowledge?

Expository text plays a crucial role in building students' vocabulary knowledge primarily through the promotion of word analysis. This type of text is designed to inform or explain a specific topic in a clear and straightforward manner, making it an excellent platform for introducing new vocabulary in context.

When students engage with expository texts, they are often exposed to terminology that is specific to particular subjects. The text provides definitions, examples, and contexts in which these words are used, enabling students to develop a deeper understanding of the vocabulary. In addition, expository texts typically include features such as headings, subheadings, glossaries, and visual aids that can help students break down complex words into their root forms or affixes, further aiding in word analysis. This process not only enhances their vocabulary but also improves their comprehension skills as they learn to decipher meanings independently.

By focusing on how words are constructed and how they function within sentences, students become more adept at using new vocabulary in their writing and speech, ultimately bolstering their overall language skills.