Unit 1 Review - The Atmosphere

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Across
  1. 5. the 2nd most abundant gas in the atmosphere
  2. 6. 3rd layer of the atmosphere, Meteors burn up here
  3. 8. An imaginary line that lies in the middle of the earth, between the poles
  4. 9. Scientists who study weather forecasting
  5. 12. Measures air pressure
  6. 17. a fluffy cloud with a flat base, found at medium altitude
  7. 18. Gray, sheet like clouds, found at low elevation
  8. 19. 2nd layer of the atmosphere, Ozone found here
  9. 20. 4th layer of the atmosphere, auroras happen here
  10. 22. 1st layer of the atmosphere, Weather/life occurs here.
  11. 26. Scientists who studies the earth’s climates
  12. 27. The average weather of a particular part of the world at different times of the year. (Longer periods of time)
  13. 28. The state of the atmosphere at a given time and place, with respect to variables such as temperature, humidity, etc.
  14. 29. the most abundant gas in the atmosphere
  15. 30. 5th layer of the atmosphere, Merges with space
Down
  1. 1. Rain __________, Measures levels of precipitation (rainfall/snow)
  2. 2. The part of the atmosphere that absorbs harmful UV radiation
  3. 3. Clean Air Act (1970) created federal and state regulations to limit ____________
  4. 4. Measures wind speed
  5. 7. Wind ________, Shows the direction of the wind
  6. 10. Measures temperature(hotness/coldness) of the air
  7. 11. Thick, dark, heavy, often bring precipitation, builds from low to high altitude
  8. 13. The layer of gases surrounding Earth; composed mainly of nitrogen and oxygen.
  9. 14. Combustion from vehicles or factories are both examples of __________- sources of pollution
  10. 15. a visible mass of condensed water vapor floating in the atmosphere
  11. 16. Elevation above sea level
  12. 21. small particles in the air
  13. 23. Measures humidity (water vapor in the air)
  14. 24. Distance north or south of the equator
  15. 25. Nitrogen oxides can mix with fog to form this.
  16. 26. the dangerous pollutant that can damage the ozone (3 letters)