Why do balls bounce?
Subtitle: all about gravity
By: Rob Moore
Series: Solving science mysteries; Solving science mysteries
Publisher: PowerKids Press; Rosen Publishing Group
Published: 2010
Place of publication: New York
Language: eng
Number of pages: 24
ISBN-13: 9781615318896; 9781615319107; 9781615319114
Notes: Includes index.
Table of contents: title: Questions about gravity; title: Questions about mass and weight; title: Questions about motion; title: It's a fact; title: Can you believe it?; title: Who found out?; title: It's quiz time!; title: Try it out!