An introduction to wheels as simple machines using text and colorful photos. Coverage includes how wheels help us move heavy objects, how wheels and axles help us listen to music and the location of the wheel and axle on a fishing rod.
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Details
ISBN: 1410914445(lib. bdg.)
Physical Description:32 pages : color illustrations ; 28 cm.print
Publisher:Chicago : Raintree, c2005.
Bibliography, etc. Note: Includes bibliographical references (p. 30) and index.