Sound

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