Bøger af Rebecca W. Mar Keller Ph. D.

The Focus On Middle School Chemistry Student Textbook, 3rd Edition introduces young students to the scientific discipline of chemistry. Students will learn about the history of chemistry, tools used in chemistry labs, atoms, the periodic table, molecules, chemical bonding, different types of chemical reactions, acids and bases, pH, acid-base neutralization, nutritional chemistry, pure substances and mixtures, separating mixtures, organic chemistry, polymers, proteins, DNA, and more.The Focus On Middle School Chemistry Student Textbook, 3rd Edition has 12 full-color chapters, a glossary-index, and pronunciation guides. 182 pages. Grades 5-8.