mechanical waves

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Across
  1. 5. Wave where particles move perpendicular to wave direction
  2. 6. Image produced using reflected ultrasound waves
  3. 8. Height of a wave from the center line to the peak or trough
  4. 9. Wave where particles move parallel to wave direction
  5. 11. High-frequency sound wave used in medical imaging
  6. 13. Number of waves that pass a point in one second
  7. 14. Substance through which a mechanical wave travels
Down
  1. 1. A repeated back-and-forth or up-and-down motion
  2. 2. Reflected sound wave
  3. 3. Distance between two consecutive crests or troughs
  4. 4. Spiral-shaped organ that helps convert sound to nerve signals
  5. 6. A type of mechanical wave that travels through air and other media
  6. 7. Part of the ear that vibrates in response to sound waves
  7. 10. What a mechanical wave transfers from one point to another
  8. 12. Pressure wave created by the beating heart