Why Do Balls Bounce?

By: Rob Moore

What is gravity? Why don't skydivers fly off into space? Do heavy objects fall faster than light objects? Curious minds will delightedly find the answers to these and other questions about gravity in this colorful and fact-filled book.

• Format: Hardcover
• Language: English
• ISBN: 1615319115
• ISBN13: 9781615319114
• Release Date: January 2010
• Publisher: Rosen Publishing Group
• Length: 24 Pages