| Term | Definition |
|---|---|
| entropy | A measure of disorder |
| Celsius | The most common scale used outside the U.S. to measure temperature |
| Kelvin | A scale used to measure the hottest and coldest temperature an object can reach. |
| heat sink | The item receiving the heat in a heat transfer. |
| conduction | Warming that ocurs when the heat source and the heat sink are connected through matter. |
| fire triangle | The three wings needed for a fire: heat, fuel, and oxygen |
| convection | Heat that transfers in liquids and gases. |
| Farenheit | The most common scale used in the U.S. to measure temperature. |
| radiant heat | Heat travels through empty space. |
| thermodynamics | The study of thermal energy. |
| thermal energy | Heat energy we receive from the sun. |
| thermal expansion | When things heat up and begin to expand. |
