| A | B |
|---|
| matter | anything that has mass and takes up space |
| mass | this is really a measure of the amount of matter in an object. (weight) |
| volume | the measure of the amount of space something takes up |
| solid, liquid, gas | the three states of matter |
| physical change | The kind of change thats happening when matter changes from one state to another (solid - liquid -gas) |
| evaporation | liquid becomes gas (water becomes water vapor) |
| melting | solid becomes liquid (ice becomes water) |
| water vapor | water in gas state |
| condensation | gas changes to liquid (water vapor becomes water) |
| freezing | liquid becomes solid (water becomes ice) |
| expanding | spreading, taking up more space |
| contracting | taking up less space, getting smaller |
