science crossword puzzle

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Across
  1. 4. magnetic forces
  2. 10. potential energy
  3. 11. transfer
  4. 14. kinetic energy
  5. 15. gravity
Down
  1. 1. magnetic field line
  2. 2. magnetic field
  3. 3. model
  4. 5. force
  5. 6. isolate
  6. 7. convert
  7. 8. attract
  8. 9. repel
  9. 12. energy
  10. 13. refute