Lever, screw, and inclined plane : the power of simple machines /

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by Thompson, Gare.
[ 01. English Non Fiction ] Series: National Geographic science chapters. Published by : National Geographic, (Washington DC :) Physical details: 40 p. : col. ill. ; 21 cm. Subject(s): Simple machines. Year : 2006 01. English Non Fiction Item type : 01. English Non Fiction
Location Call Number Serial Data Published Status Date Due
Eliot River Elementary School 621.8 THO Available
Eliot River Elementary School 621.8 THO Available

Includes bibliographical references (p. 39) and index.