Windows on Literacy Fluent Plus (Science: Physical Science): Simple Machines

by Gare Thompson and National Geographic Learning

Book Overview

This book describes the work of six simple machines: pulley, lever, screw, wedge, inclined plane, wheel, and axle. This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0792284992
• ISBN13: 9780792284994
• Release Date: March 2007
• Publisher: National Geographic Society
• Length: 24 Pages
• Weight: 0.15 lbs.