| A | B |
|---|
| volume | _____ is the amount of space matter takes up. |
| matter | All ____ has mass and takes up space. |
| mass | The amount of matter in an object is called its ____. |
| physical change | In a ____ a substance may look different, but the chemical formula does not change. |
| chemical change | In a ____, a new substance is created and the chemical formulas are different. |
| solid | Molecules in a ____ are very close together and vibrate. |
| liquid | Molecules in a ____ move around and slide over one another but stay close together. |
| gas | Molecules in a ____ move very fast and are able to move apart from each other. |
| move and vibrate | Heat causes molecules in a solid to ____. |
| fluids | The two states of matter that are ____ are liquids and gases. |
| thermometer | A ____ is an instrument used to measure temperature. |
| melting | ____ is when something changes from a solid to a liquid. |
| freezing | Changing from a liquid to a solid is called ____. |
| 0* Celcius | The freezing point of water is ____. |
| 20* Celcius | Room temperature is ____. |
| 100* Celcius | The boiling point of water is ____. |
| condensation | The changing of a gas to a liquid is called ____. |
| vaporization | The changing of a liquid to a gas is called ____. |
| warmer temperatures, moving air, and more surface area | Three things that can cause water to evaporate more quickly are ____. |
