Simple Machines: Wheels, Levers, and Pulleys

by David A. Adler

Book Overview

How many simple machines do you use every day? Probably more than you realize

Machines make work easier-- helping break things apart, lift heavy objects, and change the power and direction of force applied to them. In this accessible picture book, celebrated nonfiction author David A. Adler outlines different types of simple machines--wedges, wheels, levers, pulleys, and more--and gives common examples of how we use them every day...

• Format: Hardcover
• Language: English
• ISBN: 0823433099
• ISBN13: 9780823433094
• Release Date: February 2015
• Publisher: Holiday House
• Length: 32 Pages
• Weight: 1.04 lbs.
• Dimensions: 0.4" x 9.1" x 11.0"
• Age Range: 5 to 8 years
• Grade Range: Preschool to Grade 3