Enter the world of motion by taking a look at the forces that move objects on or around Earth. Explore how Newton's laws of motion, gravity, and friction affect dirt bikers, high speed trains, and... This description may be from another edition of this product.
Format:Paperback
Language:English
ISBN:0792288882
ISBN13:9780792288886
Release Date:January 2007
Publisher:National Geographic School Publishing, Incorporated
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