Definitions of various forms of energy are presented along with a brief scientific history of energy related concepts.

Learn about the definition of energy, the forms that it comes in, and the difference between renewable and nonrenewable sources.

An explanation of types of energy, how living things use energy and how they can convert energy forms. This is a good, basic, start to studying this characteristic of life.

This site from the Georgia State University explains the concept of electric potential about a point charge or combination of severat point charges. An interactive JavaScript form allows the visitor to investigate the effect of distance...