Information on all six simple machines, nicely presented with extra information available for all. Other sources available. Do "Try This Demonstration."

After creating three different ramps with various heights, students will release toy cars from the tops of each ramp. Based on the elementary age level, students will collect data and analyze it.

This large PDF file contains seven lessons on simple machines. Includes illustrations. Requires Adobe Reader.

Students will have completed a unit of forces and motion prior to the current unit of study on simple machines (lever, inclined plane, screw, wedge, pulley, wheel and axle). Students will review the functions and examples of simple...

Background information on vectors and their use in describing motion in two dimensions. A comparison of Aristotle's and Galileo's perspectives on force and motion is given.

Good combination of teacher demonstration and student interaction for this simple machine lesson. Great for talking about force and work. Plans are for grades 2-4, yet are adaptable.

Learn about the force of friction on this reference page which defines why friction is important and how it can change physic problems.