| A | B |
| milliliter | unit used to measure the volume of a liquid |
| centimeter | unit used to measure length |
| mass | amount of matter in an object |
| solid | all matter that has a shape of its own |
| liquid | matter that does not have a shape of its own |
| gas | matter that always fills all the space inside a container |
| property | a quality that something has such as color, shape, or size |
| matter | solids, liquids, and gases |
| mixture | something made up of two or more things (fruit salad) |
| reversible change | able to be changed back to the way it was before (ice melting and refreezing) |
| irreversible change | not able to be changed back to the way it was before (frying an egg) |
| 0 degrees Celcius | the temperature at which water will stay a solid |