Learning About Simple Machines With Graphic OrganizersBook - 2007
Examine the seven basic simple machines: levers, wheel and axles, pulleys, gears, wedges, screws, and inclined planes. Graphic organizers demonstrate how they operate and how they are used to perform tasks.
Publisher: New York : Rosen Publishing Group's PowerKids Press, c2007.
Characteristics: 24 pages :,color illustrations ;,21 x 26 cm.
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