The Level I Chemistry Student Textbook is an elementary text for grades 4-6 that introduces students to the scientific discipline of chemistry. Students will learn about atoms, molecules, bonding, chemical reactions, acids and bases, pH, mixtures, polymers, and DNA. Level I Chemistry expands on the concepts introduced in the Pre-Level I Chemistry Student Textbook and also introduces additional chemistry concepts. The Level I Chemistry Student Textbook has 10 full color chapters.