Discover! Work & Machines - Simmons, Ron, and Barden, Cindy (Editor)
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Activities explore the effects of simple machines. Lessons focus on the concepts of force, friction, gravity, and inertia. General background information, suggested activities, questions for discussion, and answers are included. Encourage students to keep completed pages in a folder or notebook for further reference and review.

Discover! Work & Machines 2000, Milliken Pub. Co.

ISBN-13: 9780787704537

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