Wedges

Readers learn how this simple machine makes it easier to split things apart or stop them from moving. They learn how thicker wedges need more force to split something apart than thinner wedges. By the end of the book, readers know the difference between complex and simple machines and how wedges are used in everyday life to make work easier.

Tools and Machines	p. 4
The Work Wedges Do	p. 6
Split it	p. 8
Hold it Open	p. 14
Thick or Thin?	p. 18
Wedges Everywhere	p. 22
Glossary	p. 24
Books and Web Sites	p. 24
Index	p. 24
Table of Contents provided by Ingram. All Rights Reserved.

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Summary

Table of Contents

Supplemental Materials