| A | B |
|---|
| energy | the ability to do work or cause change |
| kinetic energy | the energy of motion |
| potential energy | energy that is stored and held in readiness |
| elastic potential energy | energy associated with objects that can be stretched or compressed |
| gravitational potential energy | energy that depends on height |
| mechanical energy | energy associated with the motion or position of an object |
| thermal energy | the total energy of the particles in a substance or material |
| chemical energy | potential energy stored in chemical bonds that hold chemical compounds together |
| electrical energy | the energy of moving electric charges |
| electromagnetic energy | he energy of light and other forms of radiation |
| nuclear energy | the potential energy stored in the nucleus of an atom |
| energy conversion | the process of changing one form of energy to another |
| law of conservation of energy | states that energy cannot be created or destroyed |
| force | push or pull |
| work | when a force moves an object |
| fuel | anything that gives off energy when it is burned |
| fossil fuel | energy-rich substances formed from the remains of dead organisms |
