Light and Heat

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Across
  1. 2. A heat transfer that requires no medium.
  2. 4. He proposed the quantum theory.
  3. 6. These are the man-made sources of light.
  4. 10. A theory which states that light is consists of tiny particles called corpuscles.
  5. 11. The color with the greatest frequency.
  6. 13. The color with the least frequency.
  7. 14. This color is in between blue and yellow in the light spectrum.
  8. 15. The most important natural source of light.
  9. 16. Examples of this source of light are the incandescent lamp,burning candles, and heated metals.
  10. 17. This color is in between orange and green in the light spectrum.
  11. 18. The familiar example of this light source is the fluorescent tube.
  12. 20. Heat transfer through the vibrations of molecules in matter.
  13. 21. The unit for luminous intensity.
  14. 22. A special kind of refraction that provided us color lights.
Down
  1. 1. Examples of gas ___?____ source are neon lamp and sodium lamps.
  2. 3. A quantity tahtcan be measured with a thermometer or calorimeter.
  3. 5. A theory of light proposed by James Maxwell .
  4. 7. He proposed the wave theory of light.
  5. 8. A color which has a longer wavelength than violet but shorter than green.
  6. 9. This color has a greater frequency than red but lesser than yellow.
  7. 12. Energy transferred due to temperature difference.
  8. 19. Heat transfer through the actual motion of matter with greater energy.