Science

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Across
  1. 2. waves that go in and out
  2. 3. as solid liquid or gas
  3. 6. the movement of sound
  4. 7. a power source
  5. 8. a powerful source
  6. 9. very high
  7. 11. the noise made in wave for
Down
  1. 1. farthest away
  2. 2. deep or low voice
  3. 4. a water form
  4. 5. pressed together
  5. 10. and sort of steam