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Includes fictional stories, expository articles, technical readings, and historical accounts. Topics include wheel and axle, windlass, bellows, catapults, inclined plane, making a fixed pulley, the wedge, cranes, the screw, etc. Grades 5-6. Contents: eight copies of the book (Levers and Pulleys) from the series FOSS Science Stories developed to complement FOSS Modules. | |