Across
- 3. of heat needed to change the temperature of 1 gram of water by 1 Celsius degree.
- 4. thermal energy that flows from a substance of a higher temperature to a substance of lower temperature, commonly measured in calories or joules.
- 6. quantity of heat required to raise the temperature of a unit mass of a substance by 1 degree Celsius
- 8. lowest possible temperature that a substance may have - the temperature at which molecules of the substance have their minimum kinetic energy.
- 9. total energy (kinetic plus potential) of the submicroscopic particles that make up a substance (often called internal energy).
- 10. transfer of energy by means of electromagnetic waves.
Down
- 1. study of heat and its transformation into different forms of energy.
- 2. transfer of thermal energy in a gas or liquid by means of currents in the heated fluid.
- 5. measure of hotness or coldness.
- 7. transfer of thermal energy by molecular and electronic collisions within a substance (especially within a solid).