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States of Matter
States of Matter, also State Changes definitions
| Term | Definition |
|---|---|
| solid | Has a definite shape and volume. The particles are packed very tightly and only vibrate in place. This state has the lowest kinetic energy and slowest particle movement. |
| liquid | Has a definite volume but no definite shape. The particles stay close together but can slide around each other. This state has medium energy and medium particle speed. |
| gas | Has no definite shape or volume. The particles are very spread out and move quickly in all directions. This state has the highest kinetic energy and fastest particle speed. |
| melting | State change from solid to liquid; Caused by adding thermal energy |
| freezing | State change from liquid to solid; Caused by removing thermal energy |
| vaporization | State change from liquid to gas; Caused by adding thermal energy |
| condensation | State change from gas to liquid; Caused by removing thermal energy |
| sublimation | State change from solid to gas; Caused by adding thermal energy |
| deposition | State change from gas to solid; Caused by removing thermal energy |