Crossword Puzzle Test 1

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Across
  1. 2. Energy in = energy out
  2. 3. ratio of temperature and mass
  3. 11. hot to cold
  4. 14. mass and volume
  5. 15. can do work
  6. 16. on periodic table
Down
  1. 1. space
  2. 4. one type to another
  3. 5. a sodium and chlorine atom joined
  4. 6. particle speed
  5. 7. work being done
  6. 8. stopped
  7. 9. a new battery
  8. 10. push or pull
  9. 12. two hydrogen atoms joined
  10. 13. moves balance