Science crossword puzzle

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Across
  1. 3. Move into a sloping position
  2. 4. The southern half of the earth
  3. 6. The opposite direction of the way a clock rotates
  4. 9. The direction a clock rotates
  5. 13. The northern half of earth
  6. 17. The southernmost end on Earth's axis
  7. 18. the different times of year caused by the rotation and tilt of earth
  8. 19. The degree of compactness of a substance
  9. 23. An effect whereby a mass moving in a rotating system experiences a force acting perpendicular to the direction of motion and to the axis of rotation
  10. 24. The lowest region of the atmosphere
Down
  1. 1. a layer of gasses surrounding the earth that keeps people alive
  2. 2. The region of Earth’s atmosphere above the Mesosphere and below the Exosphere
  3. 5. The amount of pressure in the air
  4. 7. The outermost region of the atmosphere
  5. 8. A state or period of inactivity
  6. 10. A written or spoken agreement
  7. 11. Become or make larger
  8. 12. The region of Earth’s atmosphere above the Stratosphere and below the Thermosphere
  9. 14. The intensity of heat present in a substance
  10. 15. An invisible line that divides the north equator from the south
  11. 16. 30 degrees north and south of the equator
  12. 20. The region of Earth’s atmosphere above the Troposphere
  13. 21. Each of the 4 divisions of the year
  14. 22. The northern end of the Earth’s axis