Mechanical Engineering for...
Brian Bunnell,
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Wheels Make the World Go...
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Making Machines with Springs
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Moving Heavy Things
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Pulleys Pull Their Weight:...
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How Do Seesaws Go Up and Down...
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Simple Machines: Wheels,...
David A Adler
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Simple Machines: Forces in...
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Screws Keep Things Secure:...
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Simple Machines
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Hide and Go Beak
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Simple Machines, Grades 6 -...
Beaver,
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Good Work: Simple Tools
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Simple Machines at the...
Tammy Enz
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Inclined Planes
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Smash!: Wile E. Coyote...
Mark Weakland,
Andrés Ricci (Cover design by)
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Levers
Erika S Manley
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Wheels and Axles
Kirsten Chang
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Hauling a Pumpkin: Wheels and...
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How Do You Lift a Lion?
Robert E Wells
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Keep It Simple, Rapunzel!:...
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Explore Simple Machines!:...
Anita Yasuda
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Simple Machines
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Zoom It: Invent New Machines...
Tammy Enz
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The Great Mathemachicken 1:...
Nancy Krulik
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