Across
- 1. when objects are welded together by heat transfer of this
- 3. waves we cannot see from the Sun
- 6. heat energy from one substance to another
- 9. the transfer of heat energy through space by electromagnetic radiation
- 11. air in the atmosphere acts like this
Down
- 2. heat energy in a fluid
- 4. air conducts heat
- 5. most of electromagnetic radiation that comes to earth is
- 7. heat source for our planet
- 8. made of waves of different frequencies
- 10. when the eye views all the colors at the same time