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