Weather choice project

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Across
  1. 2. water that collects on the surface of the ground
  2. 4. the layer where weather occurs
  3. 5. when something becomes different over time
  4. 7. a unit of air
  5. 9. a liquid into a gas
  6. 11. the movement of air
  7. 12. liquid water droplets suspended in the air
  8. 16. the constant movement of water throughout earth
  9. 17. something we observe o be similar over and over again
  10. 18. the force on the surface caused by the pressing down on earth
  11. 19. one thing that contributes to an event
  12. 20. a measure of how much water vapor in the air
Down
  1. 1. water as a gas
  2. 3. the measure of how hot or cold something is
  3. 6. a force of attraction that pulls objects toward each other
  4. 8. a gas turning into a liquid
  5. 10. a mixture of gases surrounding a planet
  6. 13. the ability to make things move or change
  7. 14. sleet,rain,snow or hail
  8. 15. to move from one object to another or place to another