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Screws (Early Bird Physics)
Screws - Early Bird Physics
Author: Sally M. Walker, Roseann Feldmann
We've all seen screws, but how do they work? Why is it easier to screw something into something than to simply push it in? With basic hands-on experiments and clear descriptions, this simple machine is explained. — Book Features Be a Word Detective • Charts/Graphs/Diagrams • Note to Adults • Full-Color Illustra...  more »
ISBN-13: 9780822522225
ISBN-10: 0822522225
Publication Date: 2002
Pages: 47
Reading Level: Ages 4-8
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Publisher: Lerner Publications
Book Type: Hardcover
Members Wishing: 0
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