Sound

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Across
  1. 3. Sounds are produces by ______
  2. 5. It tells us how high or low sound is
  3. 7. Vibrations per second
  4. 8. Thin piece of plastic in microphones
  5. 9. Sound travel in ______
  6. 10. Unit of frequency
Down
  1. 1. Regular repetitive sounds
  2. 2. Irregular repetitive sounds
  3. 3. Sound can't travel through ______
  4. 4. Sounds travel fastest through this medium
  5. 6. Unit of Sound