Sound

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