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flash cards
| Question | Answer |
|---|---|
| Exothermic | Chemical Reaction in which energy is primarily given off (released) in the form of heat |
| Freezing | The change of state from a liquid to a solid |
| Temperature | A measure of the average energy of motion of the particles of a substance. |
| Condensation | The change of state from a gas to a liquid |
| Liquid | A state of matter that has no definite shape but has a definite volume |
| Heat | when thermal energy flows from an object with a higher temperature to an object with a lower temperature |
| Melting | The change in state from a solid to a liquid |
| Convection | The transfer of heat in a fluid through currents |
| Gas | A state of matter with no definite shape or volume |
| Thermometer | Instrument used to measure temperature |
| Boiling | Vaporization that occurs on and below the surface of a liquid |
| Solid | A form of matter that has a definite shape and volume |
| Endothermic | Chemical Reaction in which energy is primarily absorbed in the form of heat. |
| Thermal energy | the total energy of all the particles in an object |
| Evaporation | The change of a substance from a liquid to a gas |
| Radiation | The transfer of energy by electromagnetic waves |
| Conduction | The direct transfer of heat from one substance to another substance that it is touching. |