Sound - A.D

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Across
  1. 3. The _______ the decibel the louder the sound
  2. 5. Vocal cords in our bodies do what to produce sound?
  3. 6. Soft, irregular surfaces _________ sounds
  4. 10. Some animals use _________ to communicate
  5. 11. Sound travels faster in what temperature?
  6. 12. _________ is the source of all sound
  7. 16. Movement causes _________
  8. 17. ________ strings produce lower sounds
  9. 18. Pitch is determined by what?
Down
  1. 1. A __________ is the distance between 2 compression waves and 2 rarefactions
  2. 2. Volume is measured in what?
  3. 4. Objects vibrating faster has _______ pitch
  4. 6. __________ is the amount of energy in a compression wave
  5. 7. Musical instruments do what to produce sound?
  6. 8. Sound travels in ________ waves.
  7. 9. In a vacuum, sound ________ travel because there is no matter to travel through
  8. 10. ________ strings produce higher sounds
  9. 13. sound travels the slowest through what?
  10. 14. Sound is a form of what?
  11. 15. The ________ the decibel, the softer the sound.