EARTH SCIENCE FUN TIME!

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Across
  1. 4. An instrument used for gathering upper-atmosphere data.
  2. 7. Long term averages and variations in weather for a particular area.
  3. 8. Origin of maritime tropical air.
  4. 10. Measures air pressure.
  5. 11. Measures humidity.
  6. 12. Change in pitch or frequency that occurs due to the relative motion of a wave.
  7. 13. A narrow band of fast winds.
  8. 14. A narrow region between two air masses.
  9. 16. A record of weather data for a particular site at a particular time.
  10. 18. Typically cold winds.
  11. 19. Lines of equal temperature.
  12. 20. Different places on Earth are at different angles to the Sun.
  13. 21. Lines of equal temperature.
Down
  1. 1. A large volume of air that has the same characteristics.
  2. 2. Steady winds.
  3. 3. Measures air pressure.
  4. 5. Two circulation belts of wind.
  5. 6. Short variations in atmospheric phenomena.
  6. 9. Based on current weather patterns with similar weather patterns from the past.
  7. 15. Bitter, cold, and dry air masses.
  8. 17. Measures temperature in Fahrenheit or Celsius.