A simple machine is a tool that helps us do work. They use clever shapes to help us move, lift, cut and other types of work. Learn more about the inclined plane, the pulley, the lever, the wheel and ...

When you push or pull with a simple machine, you are applying a force and doing work. And, if you get more force out of a machine than you put into it, then that machine has a mechanical advantage.

After learning about the lever, wheel and axle, pulley, inclined plane, wedge and screw, the students designed a future Hilltop playground, one that included examples of each simple machine studied.

Introduction: This lesson provides students with a review of simple machines and their tasks. It works best in combination with your lesson on simple machines, or as a review/additional activity.