Motion and Forces, Newton's Laws, Energy

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Across
  1. 4. unit of voltage or potential difference
  2. 6. unit of force
  3. 8. unit of time
  4. 10. unit of mass
  5. 13. potition in gravitational field
  6. 15. unit of distance
  7. 18. food and fuels has this energy
  8. 19. unit of speed
  9. 20. unit of resistance
Down
  1. 1. unit of current
  2. 2. unit of temperature.This isn't degrees celsius
  3. 3. elastic objects has this energy
  4. 5. unit of energy
  5. 7. hot objects has this energy
  6. 9. unit of power
  7. 11. unit of area
  8. 12. moving objects of energy name
  9. 14. unit of pressure
  10. 15. unit of volume
  11. 16. forceā•³distance
  12. 17. unit of acceleration