How are wheelbarrows, can openers, and bicycle brakes alike? Why is it easier to hold a bolt tight with a pair of pliers than with your bare hands? Why is it easier to eat a carrot with back teeth than with your front? Why is a seesaw considered a machine? This book shows you how different kinds of these simple machines are all around you to make your work and play easier.
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How are wheelbarrows, can openers, and bicycle brakes alike? Why is it easier to hold a bolt tight with a pair of pliers than with your bare hands? Why is it easier to eat a carrot with back teeth than with your front? Why is a seesaw considered a machine? This book shows you how different kinds of these simple machines are all around you to make your work and play easier.
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Add this copy of Levers to cart. $4.48, good condition, Sold by ThriftBooks-Reno rated 5.0 out of 5 stars, ships from Reno, NV, UNITED STATES, published 1996 by Heinemann Educational Books.
Add this copy of Levers (Simple Machines) to cart. $5.86, good condition, Sold by The Book Cellar rated 4.0 out of 5 stars, ships from Nashua, NH, UNITED STATES, published 1996 by Rigby Interactive Library.
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Very Good. Size: 8x0x11; Has some shelf wear, highlighting, underlining and/or writing. Great used condition. A portion of your purchase of this book will be donated to non-profit organizations. Over 1, 000, 000 satisfied customers since 1997! Choose expedited shipping (if available) for much faster delivery. Delivery confirmation on all US orders.
Add this copy of Levers (Simple Machines) to cart. $33.16, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 1996 by Rigby Interactive Library.
Add this copy of Levers (Simple Machines) to cart. $496.01, good condition, Sold by Blue Vase Books rated 5.0 out of 5 stars, ships from Interlochen, MI, UNITED STATES, published 2006 by Heinemann/Raintree.
