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| Question | Answer |
|---|---|
| Temperature | Measure of particle motion |
| Thermometer | Tool that measures temperature |
| Thermal energy | Total particle energy |
| Heat | Thermal energy moving |
| Conduction | heat transfer by waves |
| Convection | Heat transfer by fluid movement |
| Radiation | Heat transfer by waves sun |
| solid | Fixed shape and volume |
| liquid | takes shape of container |
| gas | No fixed shape or volume |
| Melting | Solid to liquid Absorbs heat |
| Freezing | Liquid to solid releases heat |
| Evaporation | Liquid to gas at surface |
| Boiling | liquid to gas rapidly |
| Condensation | Gas to liquid releases heat |
| Endothermic | Absorbs heat |
| Exothermic | Releases heat |