atmosphere vocabulary crossword puzzle

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Across
  1. 3. front the boundary of an advancing mass of warm air
  2. 4. front the boundary of an advancing mass of cold air
  3. 8. the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise,
  4. 9. the gaseous envelope surrounding the earth; the air.
  5. 14. layer above the troposphere
  6. 17. layer that contains a high concentration
  7. 19. a colorless, odorless flammable gas that is the main constituent of natural gas.
  8. 20. vapor can be produced from the evaporation or boiling of liquid water or from the sublimation of ice.
  9. 21. layer between the stratosphere and the thermosphere
  10. 22. humidity the amount of water vapor present in air
  11. 24. the emission of energy as electromagnetic waves or as moving subatomic particles
  12. 26. point the atmospheric temperature below which water droplets begin to condense
Down
  1. 1. an artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication
  2. 2. front a composite front produced by occlusion.
  3. 4. storm types of hurricanes
  4. 5. radar a radar tracking system
  5. 6. the process by which heat or electricity is directly transmitted through a substance
  6. 7. pressure a condition of the atmosphere in which the pressure is below average
  7. 10. lowest layer of earth
  8. 11. rain sleet snow hall anything that falls to earth
  9. 12. front is a pair of air masses, neither of which is strong enough to replace the other
  10. 13. the outer layer of the atmosphere
  11. 15. the layer above the mesosphere
  12. 16. pressure a condition of the atmosphere in which the pressure is above average
  13. 18. heat, dryness, sunshine, wind, rain, etc.
  14. 23. mass a body of air with horizontally uniform temperature, humidity, and pressure.
  15. 25. absorbs most of the ultraviolet radiation reaching the earth from the sun.