Pulleys And Gears (Simple Machines)

By David Glover

Book Overview

How can pulling down make something go up? How do carnival rides work? What makes the hands on a watch go around? How does pedaling a bicycle make it move? This title shows you how different kinds of... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 1403485933
• ISBN13: 9781403485939
• Release Date: May 2006
• Publisher: Heinemann/Raintree
• Length: 24 Pages
• Weight: 0.28 lbs.
• Dimensions: 10.3" x 0.1" x 7.5"
• Age Range: 7 to 9 years
• Grade Range: Grades 2 to 4