Sound Waves

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Across
  1. 1. pollution – Harmful or unwanted sound in the environment.
  2. 3. – The maximum height of a wave, linked to loudness.
  3. 7. – A type of wave where particles move at right angles to the wave’s direction.
  4. 10. – Number of wave cycles per second.
  5. 11. – Sound waves with frequencies above human hearing.
  6. 13. – How high or low a sound is, determined by frequency.
  7. 14. – Spiral-shaped part of the inner ear that detects sound vibrations.
Down
  1. 2. – A device that converts electrical signals into sound waves.
  2. 4. – A device that converts sound waves into electrical signals.
  3. 5. – A type of wave where particles move parallel to the wave’s direction.
  4. 6. – The unit of frequency, meaning cycles per second.
  5. 8. – A rapid back-and-forth motion that produces sound.
  6. 9. – The perceived loudness of a sound.
  7. 12. – The unit used to measure sound intensity.