Though most of us don't think about it very often, simple machines are all around us, from ramps and levers to wheels and axles. They make our lives easier in many ways. It would be awfully difficult to ride a bike without the wheel and axle. Readers find out how some of our favorite simple machines work, and how they have changed our world.
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Though most of us don't think about it very often, simple machines are all around us, from ramps and levers to wheels and axles. They make our lives easier in many ways. It would be awfully difficult to ride a bike without the wheel and axle. Readers find out how some of our favorite simple machines work, and how they have changed our world.
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Add this copy of Simple Machines to cart. $27.00, good condition, Sold by Robinson Street Books rated 3.0 out of 5 stars, ships from Binghamton, NY, UNITED STATES, published 2005 by Rosen Classroom.
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Seller's Description:
Used: Good. Prompt shipment, with tracking. we ship in CLEAN SECURE boxes Sciences: GOOD TRADE PAPERBACK, SOME NICKS AND CREASES, CLEAN PAGES, PROMPT SHIPPING WITH TRACKING.
