Simple Machines

By Vijaya Khisty Bodach and Vijaya Bodach

Teaches how work becomes easier with levers, pulleys, inclined planes, wedges, screws, or wheels and axles. This description may be from another edition of this product.

• Format: Library Binding
• Language: English
• ISBN: 0756962773
• ISBN13: 9780756962777
• Release Date: January 2006
• Publisher: Perfection Learning
• Length: 24 Pages
• Weight: 0.43 lbs.
• Dimensions: 0.3" x 6.6" x 8.6"
• Age Range: 5 to 9 years
• Grade Range: Preschool to Grade 4