Wedges

Simple Machines
  • Interest Level: Preschool - Grade 2
  • Reading Level: Grade 1

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.

Format Your Price Add
978-1-62323-192-7
$34.95
Interest Level Preschool - Grade 2
Reading Level Grade 1
Genre Nonfiction
Category STEM
Copyright 2013
Publisher The Child's World, Inc.
Language English
Number of Pages 24
Publication Date 2012-08-01
BISACS JNF051010, JNF051140, JNF051130
Dewey 621.8
Graphics Full-color photographs, Full-color illustrations
Dimensions 9.5 x 8
Lexile 700
Guided Reading Level P
Features Author/Illustrator biography, Educational front/back matter, Glossary of key words, Index, Informative sidebars, Phonetics, Reviewed, Sources for further research, Suggested websites, and Table of contents
Online Resources



  • Tools and Machines
  • The Work Wedges Do
  • Split It
  • Hold It Open
  • Thick or Thin? 
  • Glossary
  • Books and Web Sites
  • Index
Author: Katie Marsico

Illustrator: Reginald Butler