| A | B |
| boiling point | temperature at which liquid changes to gas |
| condensation | gas changes to liquid releasing heat |
| density | amount of mass in a volume |
| deposition | gas turns to solid without liquid |
| heat energy | amount of energy from movement of particles |
| mass | amount of matter in something |
| melting point | temperature at which solid turns to liquid |
| phase | state of matter |
| physical change | change in properties, not chemical change |
| solubility | amount of substance that will dissolve in another substance |