Physics Crossword Puzzle

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Across
  1. 2. Bending
  2. 9. Hertz
  3. 12. Cancelled
  4. 13. Photons
  5. 14. Radiation
  6. 15. Spreading
Down
  1. 1. Compression
  2. 3. Shift
  3. 4. Height
  4. 5. Amplified
  5. 6. Velocity
  6. 7. Distance
  7. 8. Wave Oscillation
  8. 10. Substance
  9. 11. Bounce