Across
- 1. thermal energy that flows from a substance of higher temperature to a substance of lower temperature
- 6. lowest possible temperature a substance may have
- 8. transfer of thermal energy by molecular and electronic collisions within a substance
- 9. quantity of heat required to raise the temperature of a unit mass by 1 degree celsius
Down
- 2. measure of hotness or coldness of a substance
- 3. transfer of thermal energy in a gas or liquid by means of currents in the heated fluid
- 4. no system can reach absolute zero
- 5. study of heat and its transformation into two different forms of energy
- 7. transfer of energy by means of electromagnetic waves
- 10. amount of heat needed to change the temperature of 1 gram of water by 1 celsius degree
