Sound

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Across
  1. 4. The second fastest sound travel in is _____.
  2. 6. In a sound wave when molecules spread out it is called a _____.
  3. 9. _____ is how loud or soft a sound is.
  4. 10. Sound is a form of _____.
  5. 15. The source of all sound is _____.
  6. 17. _____ is when molecules are pressed together in some parts.
  7. 18. Without matter, there would be no _____.
  8. 19. A _____ sound is made with fewer molecules being vibrate with less force.
  9. 20. A _____ is the distance between two compression or two rarefaction.
Down
  1. 1. Vibrating object _____ energy to anything they touch.
  2. 2. The _____ is the number of sound waves in a given amount of time.
  3. 3. Vibration is a back and forth _____.
  4. 5. Larger _____ produce louder sound.
  5. 7. Sound travel the faster through _____.
  6. 8. Volume is measured in _____.
  7. 11. _____ is determined by frequency of vibrating object.
  8. 12. Sound ____ have a compression and rarefaction.
  9. 13. _____ is the amount of energy in a compression wave.
  10. 14. Sound travel the slowest in _____.
  11. 16. The larger the vibration the _____ the sound.