| A | B |
| Matter | Anything that takes up space and has mass |
| Mass | Amount of matter in an object |
| Property | Tells something about matter, like color, shape, size, and texture |
| Solid | State of matter that has its own shape |
| Liquid | State of matter that takes the shape of its container |
| Gas | State of matter that fills all the space in its container |
| Volume | Amount of space that matter takes up |
| Water Vapor | Water in the form of gas |
| Evaporation | Change of water from a liquid to a gas, by adding heat |
| Condensation | Change of water from a gas to a liquid, by taking away heat |
| Freezing | Change of water from a liquid to a solid |
| Melting | Change of water from a solid to a liquid |