Simple Machines

Simple machines help people do work. You’d be surprised what everyday items are actually simple machines! Simple machines include pulleys, levers, incline planes (ramps), wheels and axles, wedges, and screws. Learn about simple machines:

http://www.coe.uh.edu/archive/science/science_lessons/scienceles1/finalhome.htm

http://www.edheads.org/activities/simple-machines/