PS.7a
| heat | |
| temperature | |
| Kelvin | Celsius |
| absolute zero |
PS.7b
| phase change | freezing point |
| melting point | boiling point |
| condensation | vaporization |
| sublimation | thermal expansion |
PS.7c
| radiation | conduct |
| conduction | insulate |
| convection |
PS.7d
heat engine
thermostat
refrigerator
heat pump