Book
Mighty machines / by Shar Levine and Leslie Johnstone ; illustrations by Steve Harpster.
Answers basic questions about simple machines such as levers, axles, wheels, wedge and pulleys and provides simple activities and experiments designed to show how these machines work.
Record details
- ISBN: 1402709005
- Physical Description: 48 p. : col. ill.
- Publisher: New York, NY : Sterling Pub., c2004.
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| Subject: | Simple machines |
