Discusses the principles of levers, a type of simple machine that helps lift heavy loads by changing the direction or magnitude of force applied. It explains how the position of the fulcrum affects ...

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 ...

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 ...

Trying to find a good video for your little ones to watch on YouTube can be a challenge. Even if you limit the search to YouTube Kids, there’s so much out there. How can you determine what’s good and ...

It’s a screwy world. But a screw is only an inclined plane wrapped around a cylinder, and one type of a simple machine. For 11 kids, this basic idea catapulted them into the world of “Simply Fun ...