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2.2 Changes of state
6th grade Glencoe Science
| Question | Answer |
|---|---|
| thermal energy | The total kinetic and potential energy of all the particles in a sample of matter |
| temperature | The average kinetic energy of the individual particles |
| heat | The movement of thermal energy from a substance at a higher temperature to one at a lower temperature |
| melting | The change from the solid state to the liquid state |
| freezing | The change from the liquid state to the solid state |
| freezing point | The temperature at which a substance changes from the liquid state to the solid state |
| vaporization | The change from a liquid to a gas |
| condensation | the opposite of vaporization |