Forces and Machines

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Silver Burdett Press, Apr 1, 1991 - Force and energy - 136 pages
Explores forces and machines through a variety of experiments and hands-on activities.

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The Science Museum at the Franklin Institute
A Force Thats Always
Simple Machines to Move Us

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About the author (1991)

Robert Gardner is an award-winning author of science books. He is a retired high school teacher of physics, chemistry, and physical sience. He lives with his wife, natalie, and enjoys writing, biking, and doing volunteer work.

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