Light Energy

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Across
  1. 3. Light energy is a visible form of _______ energy.
  2. 5. Light travels in a __________ line.
  3. 8. Half the height of the wave.
  4. 10. The highest part of the wave.
  5. 11. Light travels faster than ________.
  6. 12. The distance from crest to crest or trough to trough.
  7. 13. Radiant energy is the transfer of energy through _________ waves.
Down
  1. 1. What is our primary source of light?
  2. 2. _______ light makes things able to be seen.
  3. 3. Energy from the sun moves through space by _________.
  4. 4. Light CAN travel through _________.
  5. 6. The lowest part of the wave.
  6. 7. Light does not need a _________ to travel through.
  7. 9. Light travels in ________ waves, unlike sound.