Light

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Across
  1. 3. There is nothing faster than the speed of light. True or false?
  2. 4. Light is a form of e_____.
  3. 6. A type of radiation including visible light.
  4. 10. A photon has a mass above zero. True or false?
  5. 11. Without light we _____(would/wouldn't) be able to see things.
  6. 13. The 'E' in LASER stands for E____.
  7. 14. The 'R' in LASER stands for R____.
Down
  1. 1. The 'S' in LASER stands for S____.
  2. 2. The term given for the bending of light.
  3. 5. A particle representing a quantum of light or other electromagnetic radiation.
  4. 7. The sun is _____(luminous/ not luminous).
  5. 8. The 'A' in LASER stands for A____.
  6. 9. Does light have mass? (yes/no)
  7. 12. The natural agent that stimulates sight and makes things visible.