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Simple Machine Experiments Using Seesaws, Wheels, Pulleys, and More - 9780766039575

Un libro in lingua di Robert Gardner edito da Enslow Pub Inc, 2012

  • € 23.00
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Describes experiments involving simple machines that follow the scientific method, explores the use of levers to control motion and lift, and shows how the steepness of inclined planes affects the force needed to move something.

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