| A | B |
|---|
| Energy | The ability to do work |
| Potential energy | Energy that is stored |
| Mechanical energy | The total kinetic and potential energy of a system |
| Magnetron | An electron tube in a mircrowave oven that converts electrical energy to microwaves |
| Microwave | A low-frequency electromagnetic wave of radiant energy |
| Nuclear energy | The result of splitting or combining atoms of certain elements, which then give off radiation |
| Heat | An energy transfer from one body to another caused by a temperature difference between the two bodies |
| Calorie | The energy required to raise the temperature of one gram of water one degree Celsius |
| Specific heat | The amount of heat needed to raise the temperature of one gram of a substance 1degree C. |
| Temperature | The measure of average kinetic energy of a group of individual molecules |
| Conduction | A transfer of heat energy through matter from particle-to-particle collisions |
| Convection | A transfer of heat energy by the motion of fluids, such as water or air |
| Radiation | A transfer of heat energy by electromagnetic waves |
| Crystallization | The phase change when a substance changes from a liquid to a solid |
| Latent heat of fusion | The energy needed to melt or freeze a substance |
| Evaporation | The phase change when a substance changes from a liquid to a gas |
| Vaporization | The phase change when a substance changes from a liquid to a gas |
| Latent heat of vaporization | The energy needed to evaporate or condense a substance |
| Condensation | The phase change when a substance changes from gas to a liquid |
| Sublimation | Changing a substance directly from a solid phase to a gas phase |
