Focuses on how children learn different written registers. Asserts that teachers must immerse children in a variety of texts to experience different registers of language and make explicit the purpose of registers, the role audience plays, and how information is organized in different registers. (MM)

A writing instructor at a California University, assigned to teach expository writing in a science course, restructured the course before the third paper assignment to allow students to write, to discover, and explore ideas about science, rather than simply to learn standards of rhetoric or scientific writing. This assignment required students to…