Across
- 6. ___ surfaces are good absorbers of radiation.
- 7. When air becomes hot, it _____.
- 9. When air becomes cool, its density ____.
- 11. A method of heat transfer that involves the movement of fluids (liquid and gas).
Down
- 1. An application of convection.
- 2. A method of heat transfer that does not require any material.
- 3. A method of heat transfer that does not require the movement of the material.
- 4. ___ shiny surfaces are poor absorbers of radiation.
- 5. An application of radiation.
- 8. The state of matter which is the best conductor of heat.
- 10. This material is the best conductor of heat.
