Science Crossword Puzzle

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Across
  1. 3. line draw around the earth
  2. 4. half of the earth that lies south
  3. 6. of the two locations on the surface of earth
  4. 8. the smallest and weakest cells
  5. 9. - The result of Earth's rotation on patterns
  6. 10. move into sloping positions
  7. 11. measure of hotness or coldness
  8. 13. - half of the earth that lies north
  9. 14. second location on the surface of the earth
  10. 18. above the mesosphere
  11. 20. gravity pulling it to earth with force
  12. 21. - low-latitude overturning circulations
  13. 22. the opposite direction a clock hand move
  14. 23. under the thermosphere
  15. 24. same direction as the hands of a clock move
Down
  1. 1. envelope of gasses surrounding the earth
  2. 2. lowest region of the atmosphere
  3. 5. degree of compactness of a substance
  4. 7. of stratified temperature layers
  5. 12. outermost region of a planet's atmosphere
  6. 15. - the permanent east-to-west prevailing winds
  7. 16. marked by weather patterns and daylight hours
  8. 17. become larger or more extensive
  9. 19. state or period of inactivity