How Wheels and Axles Work

By Jim Mezzanotte

Forces and motion are key concepts in the elementary science curriculum. How Simple Machines Work uses easy-to-read text and full-color photographs to help young readers understand the principles behind simple machines. Each volume includes three diagrams to enhance understanding. The text has been vetted by a science curriculum consultant and a reading consultant, allowing students to build reading skills as well as their knowledge of science concepts.

• Format: Paperback
• Language: English
• ISBN: 0836873556
• ISBN13: 9780836873559
• Release Date: December 2006
• Publisher: Gareth Stevens Publishing
• Length: 24 Pages
• Weight: 0.15 lbs.
• Dimensions: 0.1" x 6.8" x 6.8"
• Age Range: 6 to 9 years
• Grade Range: Grades 1 to 4