| A | B |
| condensation | the change from a gas to a liquid |
| cooling | to make less warm |
| energy | the ability to cause movement or create change |
| evaporation | the change from a liquid to a gas |
| freezing | to change from a liquid to a solid by losing heat |
| heat energy | the energy of moving particles |
| heating | to make warm or hot |
| melting | to change from a solid to a liquid by adding heat |
| temperature | how hot or cold something is |
| thermometer | a tool used to measure temperature |