Put Pulleys to the Test

by Roseann Feldmann, Sally M. Walker, Sally Walker, et al.

Book Overview

What do flagpoles and some window blinds have in common? They use pulleys to perform work! Pulleys are simple machines. They help us to do jobs more easily. But don't take our word for it. Put pulleys... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0761378677
• ISBN13: 9780761378679
• Release Date: August 2011
• Publisher: Lerner Classroom
• Length: 40 Pages
• Weight: 0.25 lbs.
• Dimensions: 0.2" x 6.5" x 8.8"
• Age Range: 7 to 10 years
• Grade Range: Grades 2 to 5