Energy 6.1-6.2

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Across
  1. 3. to move rapidly back and forth
  2. 4. sound waves travel through all three types of ___
  3. 7. sound waves cannot travel at all through this
  4. 9. the tighter your vocal cords are pulled, the ___ your voice will be (high or low)
  5. 10. a boxlike chamber in the air passage in your throat
Down
  1. 1. sound travels at 1,100 ___ per second
  2. 2. sound is produced when an object ___
  3. 3. two stretchy bands of tissue inside the larynx
  4. 5. as sound waves travel away from their source, they get ___
  5. 6. sound waves travel best through this type of matter
  6. 8. light travels at 186,000 ___ per second