Put Wedges to the Test (Searchlight Books ™ ― How Do Simple Machines Work?)

Put Wedges to the Test (Searchlight Books ™ ― How Do Simple Machines Work?) image
ISBN-10:

0761353259

ISBN-13:

9780761353256

Released: Aug 01, 2011
Format: Library Binding, 40 pages
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Description:

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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