Designed for students in grades 4-6, the teaching unit presents illustrations and facts about snakes. Topics include common snakes found in the United States, how snakes eat, how snakes shed their skin, poisonous snakes, the Eastern Indigo snake, and the anatomy of a snake. A student page includes a crossword puzzle and surprising snake facts. A teacher page provides background information, instructions for preparing a snake habitat, and tips on caring for garter snakes. In the final section, references and an answer key are provided. (LH)