This video shows how a battery works.
The TED-EX video explains how a battery turns chemical potential energy into a flow of electrons in a wire that makes a light bulb glow.
This video shows how a battery works.
The TED-EX video explains how a battery turns chemical potential energy into a flow of electrons in a wire that makes a light bulb glow.
This downloadable resource book looks at forms of renewable energy.
This online resource helps demonstrate conservation and transformation of energy.
This online resource focuses on the concepts of inertia, energy and motion in general.
This online resource looks at various sources of energy and how people use them.