Greening physics waves crossword

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Across
  1. 4. The bending of a wave once it passes through a new medium
  2. 9. When a wave travels through a new medium
  3. 11. The type of waves that can be gamma, x-ray, radio, etc...
  4. 13. The waves that can be used to view heat
  5. 16. What the wave travels through
  6. 19. When a transverse wave is stretched out
  7. 21. Waves bouncing off of an object
  8. 22. The wave that doctors use to view bones
  9. 23. Waves that are used to tan skin
Down
  1. 1. The number of times that it passes the middle of the wave in a certain amount of time
  2. 2. When a transverse wave is pressed together
  3. 3. The top of a wave
  4. 5. Maximum Displacement of a wave
  5. 6. The distance from crest to crest or trough to trough
  6. 7. The waves that can be used to treat cancer
  7. 8. Light The waves on the EM Spectrum that are seen as colors
  8. 10. The type of waves that cars use to listen to music
  9. 12. The bottom of a wave
  10. 14. When a wave obsorbes light
  11. 15. When waves can either merge, or destroy each other
  12. 17. The type of waves from vibrations
  13. 18. The waves that can cook food
  14. 20. The medium in which a wave travels