Water crossword

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Across
  1. 3. molecules move fast and always present in the air around us
  2. 5. 2 hydrogen atoms 1 oxygen atom
  3. 7. water in the air is changed into liquid
  4. 8. molecules are free to move they stay fairy close togather
  5. 10. reacts with oxygen to cause rust
  6. 12. changes from a liquid to a gas or vapor
  7. 14. water vapor and cloud droplets floating overhead
Down
  1. 1. added to drinking water to kill bacteria
  2. 2. hard water contains calcium and magnesium
  3. 4. moisture is carried trough plants
  4. 6. rain chemical pollution from factories power plants
  5. 9. runoff rain hits ground and begins to flow overland downhill
  6. 11. particles spread apart when freezing less dense
  7. 13. creates blue green stains and scale