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Across
  1. 5. the half of the earth that is north of the equator
  2. 7. move or cause to move into a sloping position
  3. 8. the degree or intensity of heat present in a substance or object
  4. 9. a state or period of inactivity, stagnation, or depression.
  5. 12. an effect whereby a mass moving in a rotating system experiences a force
  6. 14. the lowest region of the atmosphere
  7. 15. the part of the earth's atmosphere between the stratosphere and the thermosphere
  8. 17. the envelope of gases surrounding the earth or another planet.
  9. 18. the outermost region of a planet's atmosphere
  10. 20. a belt of calm air and sea occurring in both the northern and southern hemispheres between the trade winds and the westerlies
  11. 23. in the opposite direction to the way in which the hands of a clock move around
  12. 24. a written or spoken agreement, especially one concerning employment,
Down
  1. 1. the weight of air molecules pressing down on the Earth.
  2. 2. an imaginary line drawn around the earth equally distant from both poles
  3. 3. the degree of compactness of a substance.
  4. 4. the half of the earth that is south of the equator
  5. 6. become or make larger or more extensive
  6. 10. the layer of the earth's atmosphere above the troposphere
  7. 11. model of the mid-latitude segment
  8. 13. the region of the atmosphere above the mesosphere and below the height at which the atmosphere ceases to have the properties of a continuous medium
  9. 16. a large-scale atmospheric convection cell in which air rises at the equator and sinks at medium latitudes
  10. 19. each of the four divisions of the year
  11. 21. a wind blowing steadily towards the equator from the northeast in the Northern hemisphere or the southeast in the southern hemisphere
  12. 22. in the same direction as the way in which the hands of a clock move around