Levers to the Rescue


From rakes and brooms to bats and hockey sticks, you use levers to work and play. Read Levers to the Rescue to learn what levers are, how they work, and how these simple machines can save the day.
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From rakes and brooms to bats and hockey sticks, you use levers to work and play. Read Levers to the Rescue to learn what levers are, how they work, and how these simple machines can save the day.
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Editorial Reviews

Children's Literature - Joyce Rice
A simple machine is one that has only one moving part, or perhaps no moving parts. A rake that you can use to rake leaves is a simple lever and has no moving parts. Scissors are an example of a lever that has one moving part, which is the screw that holds the scissor blades together. Levers help us to do work with less effort. First, second, and third class levers are discussed. The reader will see that levers can be found everywhere. Before the discovery of levers, boats were difficult to move through the water. By adding a simple lever for a boat paddle, the boater could move his boat easier through the water. This series, titled "First Facts. Simple Machines to the Rescue," presents simple, brief explanations about how things work. Each title contains a hands-on activity that illustrates the principles discussed in the book or gives additional information. The glossary contains all the words that are in bold print throughout the text. An index and suggestions for further reading are included. This publisher maintains a web site, facthound.com, that directs children to resources chosen for age appropriateness. Each selection of resources is identified by typing in the book ID. Resources selected are then specific to age and the subject of the title. This management of resources is particularly helpful for this age group. All titles in this series have the same resource management page, and all titles are recommended for elementary classrooms and media collections.
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Product Details

  • ISBN-13: 9780736867474
  • Publisher: Capstone Press
  • Publication date: 1/1/2007
  • Series: Animal Opposites Series
  • Pages: 32
  • Sales rank: 1,445,110
  • Age range: 6 - 9 Years
  • Lexile: 660L (what's this?)
  • Product dimensions: 8.38 (w) x 8.30 (h) x 0.32 (d)

Table of Contents

A Helpful Lever     4
Work It     7
A Lever in Time     8
First-Class Levers: Load-Fulcrum-Effort     11
Second-Class Levers: Fulcrum-Load-Effort     12
Third-Class Levers: Load-Effort-Fulcrum     13
What Would We Do Without Levers?     14
Working Together     16
Levers Everywhere     19
Amazing but True!     20
Hands On: Working with a Lever     21
Glossary     22
Read More     23
Internet Sites     23
Index     24
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