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Age 5-9
Grade K-4

Vijaya Bodach

Simple Machines

Library Binding (Perfection Learning Jan. 1, 2006)
Teaches how work becomes easier with levers, pulleys, inclined planes, wedges, screws, or wheels and axles.
Series
Reading Essentials Exploring Science
ISBN
0756962773 / 9780756962777
Pages
24
Weight
4.0 oz.
Dimensions
6.6 x 0.4 in.

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