| A | B |
| potential energy | energy that is stored and held in readiness |
| nuclear energy | the potential energy stored in the nucleus of an atom |
| mechanical energy | kinetic or potential energy associated with the motion or position of an object |
| kinetic energy | energy that an object has because of its motion |
| gravitational potential energy | potential energy that depends on the height of an object |
| energy | the ability to do work or cause change such as moving an object some distance |
| electromagnetic energy | the energy of light and other forms of radiation |
| electrical energy | the energy of moving electric charges |
| elastic potential energy | the energy of stretched or compressed objects |
| chemical energy | the potential energy stored in chemical compounds |