Groovy Gravity

Rena Korb

2008년 1월 · Abdo Publishing Group · 내레이터: Robert Rance

오디오북 정보

Learn about gravity in these easy-to-read books. Gravity's force, moon's orbit, and their effects are explained with simple text and matching illustrations. A science activity, fun facts section, glossary, and index aid students in learning about the gravity pulling on them. Special thanks to content consultant Paul Ohmann Ph.D.