Sound and Light Energy Crossword Puzzle

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Across
  1. 5. allowing most light to pass through an object
  2. 9. light waves are _______ waves
  3. 10. a form of energy produced and transmitted by vibrating matter
  4. 12. sound energy is a type of ________ energy (energy of motion)
  5. 13. the distance from one crest to another crest, or one trough to another trough
  6. 15. how high or low a sound is as determined by the frequency of a vibrating object
  7. 16. the number of waves that pass a given point in one second
  8. 18. the matter that supports the sound (solid, liquid, and gas)
Down
  1. 1. when light is bent as it passes through different mediums
  2. 2. light is a form of _______ energy
  3. 3. allowing no light to pass through an object
  4. 4. when light bounces off an object or surface
  5. 6. the bottom of a wave
  6. 7. allowing some light to pass through an object
  7. 8. refracts visible light so that the rays are bent and separated into the colors of the visible spectrum
  8. 11. a form of energy that travels in straight lines from its source in waves
  9. 14. spectrum radiant energy that is seen by the human eye and comprised of the colors red, orange, yellow, green, blue, and violet
  10. 17. the top of a wave