| A | B |
|---|
| Kinetic energy | Energy of motion |
| Potential energy | Energy of position or shape |
| Work | Causes a change of energy |
| Mechanical energy | Associated with motion or position of objects |
| Thermal energy | Kinetic and potential energy of microscopic particles in an object |
| Chemical energy | Energy stored is bonds between atoms and molecules |
| Electrical energy | Energy associated with charges |
| Electromagnetic energy | Light and X-rays are examples |
| Nuclear energy | Energy released when during fission or fusion, for example |
| Nonrenewable energy sources | Oil, natural gas and coal are examples |
| Renewable energy sources | Hydroelectric, solar and wind are examples |
| Hydrogen fuel cell | Converts energy from renewable sources; the end product is water |
| Law of Energy Conservation | Energy can not be created or destroyed |
