Levers

by Kay Manolis

Book Overview

"Levers are simple machines that make work easier. There are three different classes of levers. Students will learn what levers are, how the classes of levers differ, and how the construction of... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0531222209
• ISBN13: 9780531222201
• Release Date: September 2009
• Publisher: Scholastic
• Length: 24 Pages
• Age Range: 7 to 10 years
• Grade Range: Grades 2 to 5