| A | B |
| temperature | average kinetic energy of particles |
| Fahrenheit Scale | water freezes at 32 degrees |
| Fahrenheit Scale | water boils at 212 degrees |
| Celsius scale | water freezes at 0 degrees |
| Celsius scale | water boils at 100 degrees |
| Kelvin scale | water freezes at 273 degrees |
| Kelvin scale | water boils at 373 degrees |
| absolute zero | no kinetic energy |
| thermal energy | total kinetic energy of particles |
| heat | transfer of thermal energy |
| convection | energy transfer on currents |
| conduction | energy transfer between particles |
| radiation | energy transfer on electromagnetic waves |
| freezing | liquid to solid |
| melting | solid to liquid |
| vaporization | liquid to gas |
| boiling | vaporization throughout substance |
| evaporation | vaporization at surface only |
| state | form of matter |
| thermal expansion | expansion of heated matter |