Big Idea: Energy is found in different forms, is conserved, and has the ability to do work.

The lever is a type of simple machine. Learn about the different classes of levers and how they provide mechanical advantage.

The telegraph works by transmitting signals through an electrical circuit. Learn more and print your own telegraph key using this 3d model of a real artefact.

Put on your running shoes and sharpen your pencil! Investigate the mathematical connection between work and power in this hands-on activity.

Hydraulics power many of the large machines you see around you.

You don’t have to pedal harder to go faster. You just have to understand a little bit about dynamics, gravitational force and friction!

This resource explains electricity basics - volts, amps, currents, resistance, and why it is dangerous to touch electrical outlets with wet hands.

If you understand heat transfer, you can make lots of little changes at home to help the environment and your household’s bank account!