This volume explains the basic principles of matter: Physical Properties; States of Matter; Weight & Mass; Density; Boyle’s Law; Charles’ Law; Phase Changes. Experiments demonstrate each principle. Lab safety procedures are presented and used. Approximately 22 minutes. Grades 4-8.

Understanding Science is a thought provoking series designed to aid the instructor in explaining difficult scientific concepts in an easy to understand format. The presenter, Dr. Science, brings the central focus to the student in a fun way that is perfect for introducing basic scientific concepts. Each volume in this series has natural stopping points or may be played to the end. The instructor is encouraged to review the program and teacher guides before use in the classroom. Dr. Science demonstrates easy to understand experiments that are highly appropiate for both classroom and home environments. Grades 4-8.