Put Wedges to the Test

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Put Wedges to the Test by Walker, Sally M.; Feldmann, Roseann, 9780761378693
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  • ISBN: 9780761378693 | 0761378693
  • Cover: Paperback
  • Copyright: 8/1/2011

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What do a doorstop, a butter knife, and the front of a boat have in common? All of them are wedges! Wedges are simple machines. They help us to do jobs more easily. But dont take our word for it. Put wedges to the test with the fun experiments youll find in this book.
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