National Standards for Grade Levels 5-8
 
Explore the basics of simple machines, including inclined planes, levers, screws, wedges, axles with wheels, and gears. Ten explorative hands-on experiments culminate with the student's ability to create their own simple machines. Includes instructor’s manual, student worksheets, complete answer key, extension activities, and hands on materials. Allow 4 hours of lab time. Designed for 24 students working in groups of four.