Chapter 24 Crossword

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Across
  1. 3. 23.5 degrees south to 23.5 degrees north
  2. 7. when charged particles from the sun are attracted to Earth's magnetic poles
  3. 8. marks the beginning of spring and autumn
  4. 9. the layer of gases that surrounds Earth
  5. 12. the pressure caused by the weight of a column of air in Earth's atmosphere
  6. 14. where meteors burn up
  7. 17. when the sun is directly above 23.5 degrees south and 23.5 degrees north
  8. 20. occurs where land meets a large body of water
  9. 22. protects us from UV rays
  10. 23. where radio waves bounce off and go back to Earth
  11. 24. occurs during night
  12. 25. the condition of the atmosphere at a particular place at a particular time
  13. 26. coldest zone
Down
  1. 1. wind system characterized by seasonal reversal of direction
  2. 2. keeps the Earth's temperature regulated
  3. 4. blow over long distances
  4. 5. 80km and above
  5. 6. an instrument used to measure air pressure
  6. 10. spinning on an axis
  7. 11. a belt of high speed wind in the upper troposphere
  8. 13. 2nd layer in Earth's atmosphere
  9. 15. causes free-moving objects to move in a curved path
  10. 16. an orbit around something
  11. 18. where most weather occurs
  12. 19. occurs during day
  13. 21. caused by differences in air pressure