Sound Lessons Crossword

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Across
  1. 2. sound waves cannot travel through a vacuum because it has no __________ in it
  2. 5. ear ________ are a form of hearing protection
  3. 7. A loudspeaker ____________ as it gives of sound
  4. 10. sound __________ describes a sound which causes a nuisance
  5. 11. sound with a frequency/ pitch above human hearing
  6. 13. sound reflecting back to you, off a surface
Down
  1. 1. sound waves travel the fastest through this type of medium
  2. 3. sound waves travel the slowest through this type of medium
  3. 4. unit for measuring loudness of sound
  4. 6. pitch of the sound
  5. 8. loudness of the sound
  6. 9. space with no particles in it
  7. 12. sound waves transport __________ energy
  8. 14. unit of frequency measurement