Weather Unit Review

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Across
  1. 2. Wispy, feathery clouds made of ice crystals that form at high levels.
  2. 5. A mixture of gases that surrounds a planet or moon.
  3. 6. the movement of air caused by differences in air pressure
  4. 8. coldest layer, protects us from meteors.
  5. 12. Cold dry air mass.
  6. 13. the lower part of the thermosphere, where electrically charged particles called ions are found
  7. 14. Layer of the atmosphere that contains weather.
  8. 15. A line on a weather map that joins places that have the same air pressure
  9. 16. winds that blow west to east and influence weather patterns in the US.
  10. 18. type of front involving opposite and different air masses. Can cause several days clouds and rain.
  11. 21. a warm, moist air mass.
  12. 23. generally brings clear skies and calm air or gentle breezes
  13. 27. Fluffy, white clouds, usually with flat bottoms, that look like rounded piles of cotton.
  14. 28. Ozone is found here, protects us from UV.
  15. 29. occurs during the daytime at a beach where wind moves from the sea towards the land.
Down
  1. 1. type of front involving a warm air mass caught between two cold air masses.
  2. 2. The change from a gas to a liquid
  3. 3. a cold, moist air mass
  4. 4. a weather system that usually brings cloudiness and stormy weather
  5. 7. rain containing high amounts of chemical pollutants
  6. 9. Hot, dry air masses
  7. 10. type of front that moves slow and often produces light rain and clouds.
  8. 11. Process by which, in a fluid being heated, the warmer part of the mass will rise and the cooler portions will sink.
  9. 12. type of front that moves quickly and can produce storms.
  10. 17. The outer layer of the thermosphere, extending outward into space.
  11. 19. Global winds that flow toward the equator, turning west as they go. Used frequently by early sailors.
  12. 20. Latin root word meaning "middle"
  13. 22. the contamination of the atmosphere by the introduction of pollutants from human and natural sources
  14. 24. are uniform grayish clouds that often cover the entire sky. They resemble fog that doesn't reach the ground. Light mist or drizzle sometimes falls out of these clouds.
  15. 25. The uppermost layer of the atmosphere, in which temperature increases as altitude increases
  16. 26. flow of air from land to water, found during the night.