Wedges

Special Price $19.50 Regular Price $26.00
ISBN
978-0-531-12961-6
Wedges were some of the first tools humans ever created! Today, these simple machines are found all around, from doorstops to our own front teeth. Diagrams and simple text explain how wedges work, while experiments allow readers test the machines for themselves. Move through the history of wedges, from hand axes to handsaws, in this fascinating title for beginning readers.
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More Information
Written by Joanne Mattern
ISBN 978-0-531-12961-6
Key Features
  • Photo labels visually define glossary terms and other important words
  • Experiments allow for hands-on learning of how the machines work
  • Diagrams provide visual support for conceptual explanations
  • Charts of everyday examples help readers identify simple machines in their lives
  • www.factsurfer.com provides age-appropriate, relevant, and safe search results
Fiction / Nonfiction Nonfiction
Item # 689344
Imprint Children's Press
Copyright 2020
Format Reinforced Library Binding
Trim Size 6 1/2 x 9
Pages 24
Ages 6, 7
Dewey 621.8
Grades 1 - 2
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