Physics Crossword Puzzle

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Across
  1. 6. Getting faster
  2. 8. Every colour
  3. 9. Not moving
  4. 10. Magnetic material
  5. 11. Home
  6. 12. Small and negative
  7. 15. Closest to the Sun
  8. 16. Famous scientist E=mc^2
Down
  1. 1. Measured in Newtons
  2. 2. Discovered in 1667
  3. 3. Used for every conversation
  4. 4. Nothing can escape
  5. 5. Wins every race
  6. 7. The best subject
  7. 10. Keeps you warm
  8. 13. Unit of time
  9. 14. Has a North and a South pole