Sound Waves

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Across
  1. 2. sound waves travel slowest here
  2. 6. a space that is completely empty of everything including air is a _______.
  3. 7. where the particles are closer together
  4. 8. sound waves travel fastest here
  5. 10. Particles of the medium move ____ to wave travel in Longitudinal waves.
  6. 12. Waves made on a rope by moving hand up and down and out
  7. 13. sound waves cannot travel here
  8. 15. Waves made by Slinky spring moving hand in and out.
Down
  1. 1. sound waves require_____ to travel
  2. 3. type of waves produced by vibrating objects
  3. 4. vibrations are transferred by vibrating _____
  4. 5. A _____ transfers energy without transferring matter.
  5. 9. Sound waves travel with different ______ in solids, liquids and Gases.
  6. 11. where the particles are further apart
  7. 14. Particles of the medium move at ____ angles to wave travel in Transverse waves.