Pulleys

by Madison Miller and Marie Miller

Book Overview

Readers learn all about pulleys--the simple machines that help lift heavy objects. Pulleys are also used to change the direction of a pulling motion. If you've sent a flag up a flagpole, you've used a pulley. The science behind pulleys is explained through accessible text, including a helpful glossary of important terms. Vibrant photographs allow readers to see firsthand how these simple machines work, and a graphic organizer provides important facts...

• Format: Paperback
• Language: English
• ISBN: 1433981424
• ISBN13: 9781433981425
• Release Date: January 2013
• Publisher: Gareth Stevens Publishing
• Length: 24 Pages
• Weight: 0.35 lbs.
• Dimensions: 0.3" x 7.1" x 7.1"
• Age Range: 6 to 8 years
• Grade Range: Grades 1 to 3