Waves

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Across
  1. 3. Matter a wave can travel through
  2. 4. The disturbance of one or more quantities
  3. 6. When a part of the wave is spread out
  4. 8. The height of a wave
  5. 10. Disturbances that transmit energy through matter
  6. 11. The highest point of a wave
  7. 13. Everything that takes up space is this
  8. 14. When a part of a wave clumps up
  9. 15. The lowest point of a wave
Down
  1. 1. The spreading of waves as they pass through or around an obstacle
  2. 2. The change in direction of a wavefront
  3. 5. When the particles of the medium vibrate in a direction parallel to the direction that the wave moves
  4. 6. When a wave bends as it passes from a medium to another
  5. 7. How many times a wave occurs
  6. 9. The length of a wave
  7. 12. When the particles of the medium vibrate in a direction perpendicular to the direction that the wave moves