| A | B |
| melting | change from a solid to a liquid |
| solid | definite shape and volume |
| surface tension | enables you to float something on water |
| matter | anything that has mass and takes up space |
| gas | has no definite shape and volume |
| specific heat | objects don't heat at the same rate |
| liquid | has a definite volume, but not a definite shape |
| viscosity | a liquid's resistance to flow |
| condensation | gas to a liquid |
| freezing | liquid to a solid |
| evaporation, vaporization, melting | words that mean liquid to a gas |
| density | how heavy something is for its size; mass divided by volume |