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General science
Chapter 6 Heat
| Term | Definition |
|---|---|
| Heat | A form of energy resulting from the motion of particles in matter;heat-energy flows from a warmer object to a cooler object |
| Heat Source | A place from which heat energy comes |
| Evaporate | From a liquid to a gas |
| Contract | To become smaller in size |
| Expand | To become larger in size |
| Thermometer | A measure of how fast an object's particles are moving and a device that measures temperature |
| Celsius scale | The metric temperature scale used by scientists and by people in most countries in which water freezes at 0 and boils at 100 |
| Degree | A unit of measurement on a temperature scale |
| Fahrenheit Scale | The temperature scale commonly used in the United States,in which water freezes at 32 and boils at 212 |
| Boiling Point | The temperature at which a liquid changes to a gas |
| Freezing Point | The temperature at which a liquid changes to a solid |
| Melting Point | The temperature at which a solid changes to a liquid |
| Radiation | The movement of energy through a vacuum |
| Vacuum | Space that contains no matter |
| Conduction | The movement of heat energy from one molecule to the next |
| Conductor | Material through which heat travels easily |
| Insulator | Material that does not conduct heat well |
| Convection | Flow of energy that occurs when a warm liquid gas rises |