1. 4. Clouds that form in flat layers and often cover much of the sky.
  2. 5. a quantity representing the amount of water vapor in the atmosphere or in a gas.
  3. 7. The second-lowest layer of Earth's atmosphere.
  4. 9. The envelope of gases that surrounds Earth.
  5. 11. part of the ocean near the equator abounding in calms (
  6. 13. change from a liquid to a vapor
  7. 15. A boundary between air masses that don't move possibly causing rain for several days
  8. 17. The transfer of heat by the movement of a fluid or gas
  9. 19. The effect of Earth's rotation on the direction of winds and currents.
  10. 22. air masses that are cold and dry due to their continental source region.
  11. 23. wind that travels great distances in steady patterns
  12. 25. The lowest layer of Earth's atmosphere
  13. 27. 3rd layer of the atmosphere, where most meteorites burn up.
  14. 30. Air Mass is a type of tropical air produced over subtropical arid regions; it is hot and very dry.
  15. 32. Wispy, feathery clouds made of ice crystals that form at high levels.
  16. 33. A mass of rising warm air that usually bring wet, stormy weather.
  17. 34. The condition of the air based on the amount of pollution in it
  18. 35. The outermost layer of Earth's atmosphere.
  19. 36. A large body of air that has the same temperature and moisture level throughout.
  20. 37. a cooling breeze blowing generally in the daytime inland from the sea
  21. 39. Pattern of wind caused by landforms in a particular area
  22. 41. A front where cold air moves in under a warm air mass.
  23. 42. when a warm air mass meets and replaces an existing cool air mass causing steady rain
  1. 1. The process by which a gas changes to a liquid. Forms clouds.
  2. 2. A mass of sinking cool air that usually bring fair weather.
  3. 3. Release of harmful materials into the environment
  4. 6. Evaporation of water from the leaves of a plant
  5. 8. The condition of Earth's atmosphere at a particular time and place.
  6. 10. The pre-fix for mid-level clouds
  7. 12. air coming originally from polar regions but having humidity and temperature properties modified by passing over relatively warm oceans
  8. 14. prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude.
  9. 16. When a cold front and a warm front meet while they are moving
  10. 18. airmass originating over tropical oceans and characterized by high temperature and humidity
  11. 20. dry, cold prevailing winds that blow from the high-pressure areas of the polar highs at the north and south poles towards low-pressure areas within the Westerlies at high latitudes.
  12. 21. Clouds that form in flat layers and often cover much of the sky.
  13. 24. The lower part of the thermosphere
  14. 26. the job of supervising or taking care of something, such as an organization or property.
  15. 28. A narrow belt of strong winds that blow in the upper troposphere
  16. 29. is rain that has been made acidic by certain pollutants in the air.
  17. 31. air of a mass originating over tropical oceans and characterized by high temperature and humidity
  18. 33. a breeze blowing usually at night toward the sea from the more rapidly cooling land
  19. 35. a wind blowing almost constantly in one direction
  20. 38. The outer layer of the thermosphere
  21. 40. a line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period.