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Seesaws, Nutcrackers, and Brooms: Simple Machines That Are Really Levers

Grade 3-4

Christopher Lampton

Seesaws, Nutcrackers, and Brooms: Simple Machines That Are Really Levers

Paperback (Millbrook Press March 1, 1991)
Explains the concepts of simple and complex machines and mechanical advantage, and describes levers, including crowbars, can openers, and wheelbarrows, and how they work
ISBN
1878841432 / 9781878841438
Weight
19.2 oz.
Dimensions
7.5 x 0.2 in.

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