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Simple Machines (Science Emergent Readers)
Simple Machines - Science Emergent Readers
Author: Susan Canizares
Have you seen a simple machine? There are springs for hopping and springs for popping. There are levers for lifting and levers for shifting . . . Ramps and pullies, gears and springs, simple machines do so many things? Filled with colorful photographs of children and machines. A back page has definitions of gears, levers, pulleys, ramp...  more »
ISBN-13: 9780439081269
ISBN-10: 0439081262
Publication Date: 11/1999
Pages: 16
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Publisher: Scholastic Trade
Book Type: Paperback
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