Simple machines are everywhere, even many of your toys are simple machines. Come visit this science fair project and explore the six types of simple machines. Find out how many are hiding under the hinged lid (yes, another simple...

Gives short descriptions of the six types of simple machines.

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.

Students will have completed a unit on the six simple machines (lever, inclined plane, pulley, wedge, screw, and wheel and axle) before beginning this project. Students will choose to investigate an invention composed of one or more...