1The Focus On High School Chemistry Laboratory Workbook accompanies the Focus On High School Chemistry Student Textbook. The Laboratory Workbook has 10 hands-on chemistry experiments that coincide with the chapters in the Student Textbook and include: analyzing data; building molecule models; chemical reactions; acids, bases, and pH; acid-base reactions; mixtures; separating mixtures; testing foods; cross-linking polymers; and extracting DNA. The Focus On High School Chemistry Laboratory Workbook contains 10 black and white chapters. Grades 9-12.