| A | B |
|---|
| absolute zero | The temperature where no more energy can be removed from matter. |
| heat | Movement of thermal energy from a substance of higher temperature to a substance of lower temperature. |
| conduction | The transfer of heat from one particle of matter to another without the movement of matter itself. |
| convection | The transfer of heat by the movement of currents. |
| convection current | Circular motion created by rising heated water or gas and sinking cooler water or gas. |
| radiation | The transfer of heat by electromagnetic waves. |
| insulator | A material that does not conduct heat well is called a _________ |
| specific heat | The amount of energy required to raise the temperature of 1 kilogram of a substance by 1 Kelvin. |
| state | All matter exists in one of these three forms. |
| change of state | The physical change from one state of matter to another. |
| freezing point | The temperature at which a substance changes from a liquid to a solid. |
| thermal expansion | The expanding of matter when it is heated is called __________________________. |
| thermostat | A heat regulating device. |
| bimetallic strip | Made from two different metals together, each having a different expansion rate. |
