| A | B |
|---|
| endothermic | a change in which energy is gained by a substance as it changes state |
| melting | the change of state from a solid to a liquid |
| change of state | the change of a substance from one physical form to another |
| vapor pressure | the pressure inside the bubbles of a boiling liquid |
| sublimation | the change of state from a solid directly to a gas |
| evaporation | the change of state from a liquid to a gas |
| boiling | the change of a liquid to a vapor throughout the liquid |
| exothermic | a change in which energy is removed from the substance as it changes state |
| condensation | the change of state from a gas to a liquid |
| freezing | the change of state from a liquid to a solid |
