The Atmosphere

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Across
  1. 2. energy transfer through space by by invisible waves
  2. 4. continual movement of water between Earth's surface and the atmosphere.
  3. 6. a type of oxygen that is made of three oxygen atoms bonded together and absorbs ultraviolet radiation from the sun.
  4. 8. temperature to which air is cooled to reach saturation.
  5. 9. small particles in the atmosphere around which cloud droplets can form.
  6. 12. energy transfer that occurs when molecules collide; takes place only when substances are in contact with each other.
  7. 15. all solid and liquid forms of water - including rain, snow, sleet, and hail - that falls from clouds.
  8. 17. process by which water changes from a liquid to a gas.
  9. 19. layer of Earth's atmosphere that is located above the tropopause and is made up primarily of concentrated ozone.
  10. 20. amount of water vapor in the air.
Down
  1. 1. height above the ground at which condensation occurs.
  2. 3. transfer energy by the flow of a heated substance.
  3. 5. layer of the Earth's atmosphere closest to Earth's surface.
  4. 7. process that occurs when cloud droplets collide and form larger droplets.
  5. 10. outermost layer of Earth's atmosphere
  6. 11. measurement of how quickly or how slowly molecules move around.
  7. 13. process by which a cooling gas changes into a liquid.
  8. 14. layer of Earth's atmosphere above the stratosphere.
  9. 16. layer of Earth's atmosphere that is located above the mesopause
  10. 18. ability of an air mass to resist rising.