Weather

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Across
  1. 2. a unit of air moving together
  2. 3. a measure of how much water vapor is in the air
  3. 5. the mixture of gases surrounding a planet
  4. 6. the force on a surface caused by the weight of the atmosphere pressing down on Earth
  5. 8. when something becomes different over time
  6. 9. water as a gas
  7. 12. the scientific study of weather
  8. 13. the movement of air in a particular direction
  9. 14. rain, snow, sleet, or hail that falls from clouds onto the ground
  10. 17. the process by which a gas changes into a liquid
  11. 18. winds that move
Down
  1. 1. when something stays mostly the same over time
  2. 4. measure of how hot or cold something is
  3. 7. the process by which a liquid changes into a gas
  4. 10. the layer of the atmosphere closest to Earth, where weather happens
  5. 11. liquid water droplets suspended in the air
  6. 15. one thing that contributes to causing an event
  7. 16. the ability to make things move or change