| A | B |
|---|
| heat | form of energy in moving paarticles of matter |
| calorie | unit of heat |
| absolute zero | lowest possible temperature; temperature at which particles of matter almost stop moving |
| temperature | ameasure of the aveage kinectic energy of a substance |
| freezing point | temperature at which a liquid changes to a solid |
| melting point | temperature at which a solid changes to a liquid |
| boiling point | temperature at which a liquid changes to a gas |
| evaporation | change from a liquid to a gas at the surface of the liquid |
| conduction | heat transfer in solids |
| convection | substances that conduct heat easily |
| insulators | substances that do not conduct heat easily |
| convection | heat transfer in gases and liquids |
| radiation | transfer of heat through space |
| vacuum | empty space |
