What is Energy? Have you ever wondered what energy is and where we get it from? We use energy at home and at school. Energy is something that is used to power things all over the world. We can make things such as light, sound and heat...

Dr. Forrester defines kinetic energy and discusses the effects that mass and speed have on kinetic energy. She also explains how kinetic energy can change into other types of energy.

Dr. Forrester describes the different types of energy, including potential, kinetic, mechanical, and chemical energy as well energy created by light, sound, and heat.