chemistry final crossword

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Across
  1. 2. when giving information about something
  2. 4. make greater in size,or amount
  3. 6. a natural movement of air of any velocity
  4. 8. change which is a result
  5. 10. something use for water
  6. 13. to speak to others
  7. 15. the solid surface of the earth
  8. 16. chemical element with the symbol Rn
  9. 19. type of elementary particle
  10. 20. set of things working together as parts of a mechanism system of parts working together in a machine
  11. 21. something that is hard and solids
  12. 22. substance made by mixing things together
  13. 23. the basic unit of a chemical element
Down
  1. 1. keeping or showing a fair
  2. 3. send something to air
  3. 5. the rate at which someone is able to move
  4. 7. a subatomic particle
  5. 9. book forming part of a work or series
  6. 11. the carrying capacity of an aircraft or launch
  7. 12. the work that a certain force can do
  8. 13. the process of burning something
  9. 14. measure of the amount of matter in an object
  10. 17. forth with sudden violence
  11. 18. substance is its mass per unit volume
  12. 19. system made available for consumer use