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Part of the "Work, Energy, and the Simple Machine" series. Outlines methods used by scientists to measure work and discusses how scientists view their work. Teaches about potential and kinetic energy, friction, energy conservation, and efficiency and power of machines. Comes with teacher's guide and blackline masters.
United Learning, 1560 Sherman Ave., Ste. 100, PO Box 48718, Evanston, IL 60201, Phone: (888)892-3484, Fax: (847)328-6706, Email: info@interaccess.com, URL: http://www.unitedlearning.com, Remarks: A division of Discovery Communications
Available on VHS
Running time 10 minutes.
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