Ch. 11 Atmosphere

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Across
  1. 4. occurs when an air mass is forced to rise over a topographic barrier
  2. 6. is a small particle in the atmosphere around which water droplets can form
  3. 9. layer closest to Earth's surface that contains most of the mass of the atmosphere, where weather happens
  4. 12. is the transfer of thermal energy by electromagnetic waves
  5. 15. a layer in which the air temperature mainly increases with altitude and contains ozone layer
  6. 16. is the transfer of thermal energy between objects when their atoms or molecules collide
  7. 19. is the temperature to which air must be cooled at constant pressure to reach saturation
  8. 21. the amount of water vapor in a volume of air relative to the amount of water vapor needed for that volume of air to reach saturation
Down
  1. 1. occurs when cloud droplets collide and join together to form a larger droplet
  2. 2. is the layer between about 85 km and 600 km above Earth's surface, the extremely low density of air causes temperatures to rise
  3. 3. extra thermal energy contained in water compared to liquid water
  4. 5. all forms of water that fall from clouds to the ground
  5. 7. is an increase in temperature with height in atmospheric layer
  6. 8. occurs when the amount of water vapor in a volume of air has reached the maximum amount
  7. 10. often have a wispy, indistinct appearance
  8. 11. is the outermost layer of Earth's atmosphere, extends about 600 km to more than 10,000 km above Earth's surface
  9. 13. is the amount of water vapor in the atmosphere at a given location on Earth's surface
  10. 14. is about 50km to 85 km above Earth's surface, temperature decreases with altitude
  11. 17. are puffy, lumpy-looking clouds that usually occur below 2000 m
  12. 18. is the transfer of thermal energy by the movement of heated material from one place to another
  13. 20. layered sheet like clouds which can cover much or all of the sky in a given area, usually occur below 2000 m