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.

Find out more about the wheel and axel, the lever, and the wedge. Find out more about three of the six simple machines: the wheel and axel, the wedge, the lever. Simple machines like these help us do ...

CC0 Usage Conditions ApplyClick for more information. Lesson that teaches children what screws are and what they do. Gain a deeper understanding of what screws are by making your own in this ...

Simple machines make work easier to do. But how? Join Joan at the Discovery Center of Idaho as she tries various experiments with simple machines. Science Trek is available to stream on pbs.org and ...

There's an old saying: "Build a better mouse trap, and the world will beat a path to your door." However, if asked about his own mouse trap invention, Coastal Ridge Elementary School fourth-grader ...