Put Levers to the Test (Searchlight Books ™ ? How Do Simple Machines Work?)

by Sally M. Walker, Roseann Feldman, Roseann Feldmann

Book Overview

What do hammers, wheelbarrows, and brooms have in common? All of them are levers! Levers are simple machines. They help us to do jobs more easily. But don't take our word for it. Put levers to the... This description may be from another edition of this product.

• Format: Library Binding
• Language: English
• ISBN: 0761353216
• Release Date: August 2011
• Publisher: Lerner Publications ™
• Length: 40 Pages
• Weight: 0.55 lbs.
• Dimensions: 9.5" x 0.3" x 7.5"