| A | B |
| endothermic (adj) | heated from within the body |
| exothermic (ad]) | requires heat to be absorbed from outside of the body |
| therm (n) | a unit of heat equal to 1,000 great calories |
| thermal (adj | related to heat or temperature |
| thermodynamic (adj | caused or operated by heat that has changed into different forms of energy |
| thermograph (n) | a device that automatically writes down (records) changes in temperature |
| thermometer (n) | an instrument that measures temperature or heat |
| thermophile (n) | an organism that has adapted to living in very high temperatures (heat), such as bacteria or algae |
| thermos (n) | a container that is used to keep things warm, such as your soup; a double-walled container that keeps things warm |
| thermostat (n) | a device used to control the temperature |