Weather and Climate

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Across
  1. 3. used to measure wind speed
  2. 4. occur when water vapor in a cloud changes directly into ice crystals
  3. 5. person who studies weather patterns in an attempt to predict the weather
  4. 6. occur when raindrops freeze AFTER THEY HIT EARTH'S SURFACE when they touch something cold
  5. 10. ANY form of water that falls from clouds and reaches the Earth's surface
  6. 11. the condition of outside air at a certain time and place
  7. 12. drops of water that are at least 0.5 millimeters
  8. 14. huge body of air that has similar temperature, humidity, and air pressure at any given height
  9. 15. the weather of a certain area of a long period of time
  10. 16. air mass that forms over land in the tropics
  11. 18. used to measure wind direction
  12. 21. air mass that forms over water in polar regions
Down
  1. 1. air masses are classified according to humidity and __________
  2. 2. _____ pressure systems produce clouds, precipitation, and other bad weather
  3. 4. occur when raindrops freeze IN THE AIR as they fall to the Earth's surface
  4. 5. air mass that forms over water in the tropics
  5. 7. _____ pressure systems produce clear skies and calm weather
  6. 8. invented the thermometer
  7. 9. air mass that forms over land in polar regions
  8. 13. invented the barometer
  9. 17. used to measure the temperature of the air
  10. 19. _____ forms inside a cold region of a cumulonimbus clouds during thunderstorms and when they get too heavy for the cloud to hold they fall to Earth
  11. 20. used to measure air pressure