States of mater

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Across
  1. 2. continuous movement of water from the Earth's surface to the air and back.
  2. 4. this happens when wet clothes are hung outside
  3. 6. it is used to keep things warm or cold for a long time
  4. 7. a process to obtain pure water
  5. 8. a poisonous gas that can lead to death
  6. 9. rain, snow ,sleet and hail are examples of this
  7. 11. a gas used to clean water
  8. 12. a process in which gas cools and changes into liquid
Down
  1. 1. this happens when solid gains heat and change into liquid
  2. 3. a gas used in fire extinguishers
  3. 5. it is used to make ammonia
  4. 9. in a solid they are quite close together
  5. 10. a disease caused by drinking polluted water