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 ...

Levers are used all over the place in our everyday life. But have you ever wondered just exactly how they work? Grab your favorite budding scientist and tackle this fun project — and before you know ...

The Lever Loads Activity has students follow directions to devise a lever and then think about some of the aspects related to levers. This adaptation adds a level of complexity by having the students ...

Your goal is to raise the tip of the obelisk three feet and to support it using as few blocks as possible. You can locate the fulcrum at one of three points: It is now in the middle location. The ...