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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 |