Instructional module focusing on energy. Discussion includes forms of energy, conservation of energy, and the laws of thermodynamics. Site also includes an interactive practice quiz and links relating to the topic.

If the discipline, precision, and power of martial arts is your bag, try this project out for size. You won't be sparring with any opponent other than a swinging kick bag, but you'll learn a few powerful lessons about the physics of...

You might think that plants and animals have little in common with batteries, springs, or slingshots, but they actually do have something in common. Both living and non-living things store and transfer energy from one form to another. In...

In this interactive, students can explore how current, voltage, and resistance are related in a model showing the flow of electrons in an electric circuit. They will learn about Ohm's law and how other forms of energy can be made from...

If you sit under a leafy tree on a sunny day, you may notice spots of sunlight on the ground from light passing through spaces between the leaves. Try putting a piece of cardboard on the ground and examining the spots of light on the...

This site provides an excellent overview of the solution process. Content includes a focus on how a solution is formed, energy changes and solution formation, spontaneity and disorder, and solution formation and chemical reactions.

For this investigation, students make a simple model of how gasses can form from decaying material. They will also explore the effects of temperature on gas formation.