sound, waves, and light

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Across
  1. 2. material which a wave travels
  2. 5. wave, a wave that travels through matter
  3. 6. ave is the maximum distance that the wave moves
  4. 8. distance between one point of a wave to the same point
  5. 9. the passage of a wave
  6. 10. waves, wave which the distance is perpendicular
  7. 12. mirrors, a smooth or highly polished surface that reflects light
  8. 13. a volume of space that contains little to no matter
  9. 15. wave, waves where the particle motion is in the same direction in which the wave is photographing
  10. 16. the transfer of energy by wave to the medium
  11. 19. a point on a surface wave where the displacement of the medium is at a maximum
  12. 21. lens, thicker at the edges
  13. 23. the bouncing of a wave off a surface
  14. 24. waves, the particles in a medium to move parallel to the direction that the wave travels
Down
  1. 1. the number of times the pattern repeats in a given time
  2. 3. spectrum, the range of wavelengths or frequencies over
  3. 4. a material which light does not pass
  4. 7. a piece of glass or other transparent material cut with precise angles
  5. 10. allows most light to pass but will be blurry
  6. 11. all light can pass through
  7. 14. the valley or bottom point of the wave
  8. 17. filters, a photographic filter
  9. 18. the change in direction of a wave when it travels by the edge
  10. 20. a transparent object with at least one curved side that causes light to change direction
  11. 22. lens, a lens that is thicker in the middle