| A | B |
|---|
| change of state | a physical change that occurs when matter changes from one state to another, such as from liquid to a gas |
| physical change | a change in which a substance remains the same substance |
| 3 states of matter | solid, liquid, and gas |
| a change of state occurs when | a substance changes from one state to another |
| matter | is anything that takes up space and has mass |
| liquid | The particles of water in this glass are close to each other. They move quickly and slide past each other easily. |
| solid | The particles of ice are locked in place but they still vibrate. |
| gas | The particles of gas in this balloon include water vapor. |
| water vapor | particles are far apart and are moving quickly. |
| a physical change occurs when | a change in which a substance remains the same substances. |
| Examples of physical changes are | carving, cutting, and shredding. |
| mixture | two or more substances that are combined without being changed. The substances in a mixture aren't permanently combined, and their properties don't change. |
| mixtures can | be separated again and they can contain different amounts of substances. |
