Wedges to the Rescue

by Sharon Thales and Thales

From cutting apples to zipping a backpack, you need wedges. Read Wedges to the Rescue to learn what wedges are, how they work, and how these simple machines can save the day.

• Format: Hardcover
• Language: English
• ISBN: 0736867503
• ISBN13: 9780736867504
• Release Date: January 2007
• Publisher: Capstone Press
• Length: 24 Pages
• Weight: 0.50 lbs.
• Dimensions: 0.3" x 8.1" x 8.0"
• Age Range: 6 to 9 years
• Grade Range: Grades 1 to 4