Weather Puzzle

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Across
  1. 2. upward,What thunderstorms cause?
  2. 5. parcel,The amount of air that moves as a unit
  3. 8. is the term for the measurement of the speed & direction of wind?
  4. 9. type of cloud is described as a sheet-like cloud?
  5. 12. is the name of the weather phenomenon where water turns into ice?
  6. 14. process by which a gas changes into a liquid
  7. 16. What is electricity?
  8. 18. pressure,What air blows in the wind?
  9. 19. is the term for the measurement of the amount of rainfall?
  10. 20. is the name for a weather event where water freezes on objects?
Down
  1. 1. process by which liquid changes into a gas.
  2. 3. is the term for the measurement of atmospheric pressure?
  3. 4. is the name for a large,rotating wind system with high speed?
  4. 6. is the term for a high-level,puffy cloud?
  5. 7. vapor,Water as a gas
  6. 10. such as rain clouds & wind at a particular time & place
  7. 11. is the name for a weather event where the ground is covered with snow?
  8. 13. something becomes domes different over time
  9. 15. liquid water droplets suspended in the air
  10. 17. when something stays mostly the same over time