Sound

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Across
  1. 2. the higher the frequency, the higher the _____
  2. 4. frequency means in one second, how many _____ are produced
  3. 6. How do waves formed?
  4. 7. For transverse wave, the direction of energy transfer of energy is ______ to the direction of vibration of particles
Down
  1. 1. waves transfer energy but not _______
  2. 3. For longitudinal wave, the direction of energy transfer is _____ to the direction of vibration of particles
  3. 5. the louder the sound, the greater the ______