easy physics: unit, energy name,

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