| A | B |
| freezing point | Temperature at which a substance goes from liquid to solid |
| melting point | Temperatur at which a substance goes from solid to liquid. |
| liquid | state of matter which has a specific volume and flows |
| gas | state of matter with no specific volume but it flows. |
| solid | state of matter with a specific volume, but it does not flow |
| amorphous solid | a solid that is unusual because it is without shape |
| non-Newtonican liquid | Another name for an amorphous solid |
| viscosity | A fluid's resistance to flow |
| boiling | When a liquid has enough energy to go into the gas phase at a specific temperature |
| boiling point | Specific temperature at which a liquid changes to a gas |
| condensation point | Temperature at which a gas changes into a liquid |