Through observation and inquiry, learners are given various objects to investigate how levers work and why they might be useful.

This is a five-question quiz related to the passage "The Forearm as an Example of a Third-class Lever."

Young scholars investigate the relationship between the two forces and the location of the fulcrum in a first class lever. Students work in cooperative groups of approximately three to make observations that they can then generate a...

This lesson will introduce the three types of levers and show how to calculate the mechanical advantage of each. It is 3 of 3 in the series titled "Simple Machines: Levers."

Learn about levers and make the connection between these simple machines and the human body.

A quite lengthy chapter on the simple machine the lever. Includes uses, classes, mechanical advantage, formulae, etc. A full discussion, with good illustrations.