Chapter 9 Crossword Puzzle By Jake King

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Across
  1. 2. A portion of Earth's upper atmosphere.
  2. 3. A layer of concentrated ozone that shields the earth from harmful forms of ultraviolet light.
  3. 4. The condition of the atmosphere at a given time.
  4. 7. The direct transfer of thermal energy from one object to another.
  5. 10. One of the layers of the atmosphere defined by temperature profile.
  6. 12. Same as Aurora Borealis, but occurs in Southern Hemisphere.
  7. 16. A high-speed meandering wind current.
  8. 17. What humans need in order to breath.
Down
  1. 1. The indirect transfer of thermal energy from one place to another.
  2. 5. The streamers or bands of light that appear in the sky of the Northern Hemisphere.
  3. 6. The outermost zone of the earth's atmosphere; it extends into space.
  4. 8. The upper boundary of the troposphere that separates it from the stratosphere.
  5. 9. The upper boundary of the atmospheric mesosphere.
  6. 10. The science of the earth's atmosphere, especially weather.
  7. 11. Moisture falling fromthe atmosphere as rain, snow, hail, or sleet.
  8. 13. The envelope of the gaseous mixture surrounding Earth.
  9. 14. An atom or molecule having a positive or negative charge.
  10. 15. This forms 78% of Earth's atmosphere.