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Heat Energy
| Term | Definition |
|---|---|
| kinetic energy | energy of motion |
| convection | heat energy moving in currents |
| boiling point | temperature at which a liquid turns into a gas |
| expand | adding heat to a substance makes it get bigger |
| radiation | energy from the sun moving in waves or rays |
| solid | molecules vibrate in one position, they can't spin |
| insulator | substance that doesn't conduct heat well |
| conduction | heat energy moving between two touching objects |
| freezing point | the temperature at which a liquid turns into a solid |
| molecules | the building blocks of substances |
| contract | when a substance gets smaller as it loses heat energy |
| conductor | substance that moves heat energy well |
| liquid | the molecules flow and vibrate close together |
| temperature | the average kinetic energy of the molecules in a substance |
| gas | molecules move fast and far apart |