| A | B |
| energy | the ability to do work or cause change |
| kinetic energy | the energy of motion |
| kinetos | greek word which means "moving" |
| 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 |
| nuclear fission | nuclear reaction that occurs when the nucleus splits |
| nuclear fusion | nuclear reaction that occurs when nuclei fuse or join together |
| 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 |
| joule | amount of work you do when you exert a force of 1 newton to move an object a distance of 1 meter |
| calorimeter | instrument to find specific heat |
| Newton | unit for force |
| temperature | avg kinetic energy of all the moving particles in a mass |
| heat | thermal energy that flows from a hot to colder object |
| kinetic theory | explains the motion of particles in an object |