| A | B |
| Energy | The ability to do work |
| Light | A form of energy that travels in waves and can move through empty space |
| Heat - Thermal | The energy of moving particles in a substance |
| Sound | A form of energy produced by vibrating objects |
| Electrical | A form of energy that is produced when electrons move from one place to another place |
| Chemical | Energy stored in fuels (food, wood, gasoline) |
| Magnetic | Energy from objects affected by the poles of the Earth |
| Solar | Energy from the sun |
| Nuclear | Energy from atoms in molecules |
| Kinetic | Mechanical energy of motion |
| Potential | Mechanical energy that is stored in an object |