Weather Unit Test Studyguide

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Across
  1. 3. a line on a weather map that connects places with the same air pressure
  2. 5. lowest layer of our atmosphere, has weather
  3. 9. created by burning coal, known as "london-type smog"
  4. 10. a concentration of trace substances that are more than whats averagely in the air
  5. 12. a system that brings cloudy and rainy weather
  6. 13. contains ozone
  7. 15. protects us from the suns UV rays
  8. 16. a mixture of different gasses that surround earth
  9. 17. the movement of air that's caused by differences in air pressure
  10. 20. winds that flow to the equator and are used by sailors
Down
  1. 1. upper part of the thermosphere, extends to space
  2. 2. a system that brings clear skies
  3. 4. Uppermost and hottest layer of our atmosphere
  4. 6. protects us from meteors
  5. 7. the effect of Earth's rotation on the direction of wind currents
  6. 8. a gas changing into a liquid
  7. 11. this goes down the more you rise in the atmosphere
  8. 14. lower part of thermosphere,contains electrically charged particles called ions
  9. 18. warm air rises and cold air falls
  10. 19. Rain with a lower PH than normally