| A | B |
|---|
| condensation | the change of state from a gas to a liquid |
| density | the amount of mass in a given volume of matter |
| freezing | the change of state from a liquid to a solid |
| heat | energy that flows from warmer to cooler regions of matter |
| kinetic energy | energy of motion |
| mass | the amount of matter in an object |
| matter | anything that has mass and volume |
| state of matter | any of the three forms that matter may take; solid, liquid, or gas |
| temperature | a measure of the average kintetic energy of the particles in matter |
| volume | the amount of space that matter takes up |
