The Focus On Elementary Chemistry Student Textbook, 3rd Edition introduces young students to the scientific discipline of chemistry. Students will learn about the history of chemistry; tools chemists use; atoms; how atoms combine to form molecules; different types of chemical reactions; acids and bases; different types of mixtures; techniques for separating mixtures; food and taste; polymers; proteins; DNA; and more. The Focus On Elementary Chemistry Student Textbook, 3rd Edition has 12 full color chapters, a glossary-index, and pronunciation guides. 118 pages. Grades K-4.