Sound Waves

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Across
  1. 7. Frequencies above human hearing.
  2. 10. Particles pushed together.
  3. 14. Faster than sound (e.g., sonic boom).
  4. 16. Waves combining.
  5. 17. Sound reflecting off a surface.
  6. 18. Behavior & Types
  7. 19. Pitch How high or low a sound is; cycles per second (Hz).
  8. 20. Time for one complete wave cycle.
Down
  1. 1. Wave: Sound wave type with compressions and rarefactions.
  2. 2. Bending around obstacles.
  3. 3. A disturbance transferring energy, like sound.
  4. 4. The back-and-forth motion that creates sound.
  5. 5. (Loudness/Intensity): The energy/size of the wave; measured in decibels (dB).
  6. 6. Particles spread apart.
  7. 8. Effect: Pitch change due to relative motion.
  8. 9. The substance (air, water, solid) sound travels through.
  9. 11. Amplification of vibration.
  10. 12. Relating to the speed of sound.
  11. 13. Distance between wave crests/compressions.
  12. 15. Terms & Technologies