Learners investigate how levers help to lift heavy loads. They view and discuss examples of levers, explore various websites, experiment with the levers brought to the class, and watch the video for the book "Mike Mulligan and His Steam...

Students research and conduct experiments with several types of simple machines. They examine levers, pulleys, inclined planes, wheels, axles, wedges and screws and then consider the physics behind "Green Eggs and Ham".

Students study and identify different types of simple machines and how they work. They design a simple machine.