...see below for illustration of "compound machines"
simple_machines_3.jpg



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theme...Simple Machines ... collection of resources from Sonoma County Office of Education (Santa Rosa, CA)
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simple machines -- 3rd grade ... information, activities, and students' projects
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Beacon Learning Systems ... Simple Machines
simple_machines_--_beacon_learning_center.JPG
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COMPOUND MACHINES
compound_machines.jpg

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