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Book Overview
Levers are simple machines that make work easier. There are three different classes of levers. Students will learn what levers are, how the classes of levers differ, and how the construction of levers... This description may be from another edition of this product.
Format:Hardcover
Language:English
ISBN:0531222209
ISBN13:9780531222201
Release Date:September 2009
Publisher:Children's Press
Length:24 Pages
Weight:0.45 lbs.
Dimensions:9.3" x 0.3" x 6.8"
Age Range:7 to 10 years
Grade Range:Grades 2 to 5
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