Chapter 16 Vocabulary

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Author:
martha.hulsey
ID:
78904
Filename:
Chapter 16 Vocabulary
Updated:
2011-04-13 10:47:16
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Chapter Vocabulary
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Chapter 16 Vocabulary
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  1. the condition of the atmosphere at a certain time and place including temperature, humidity, precipitation, wind and visibility
    weather
  2. the amount of water vapor in the air
    humidity
  3. the ratio of the amount of water vapor in the air to the amount of water vapor needed to reach saturation at a given temperature
    relative humidity
  4. the change of state from a gas to a liquid...example...a glass of cold water
    condensation
  5. a collection of small water droplets or ice crystals suspended in the air
    cloud
  6. any form of water that falls to the Earth's surface from the clouds
    precipitation
  7. a large body of air where temperature and moisture content are constant (the same) throughout
    air mass
  8. the boundary between air masses of different densities and usually different temperatures
    front
  9. an area in the atmosphere that has lower pressure than the surrounding areas and has winds that spiral toward the center
    cyclone
  10. the rotation of air around a high-pressure center in the direction opposite to Earth's rotation
    anticyclone
  11. a usually brief, heavy storm that consists of rain, strong winds, lightning and thunder
    thunderstorm
  12. an electric discharge that occurs between a positively charged area and a negatively charged area. can happen between 2 clouds, clouds and ground or two parts of the same cloud
    lightning
  13. the sound caused by the rapid expansion of air along an electrical strike
    thunder
  14. a destructive, rotating column of air that has very high wind speeds, is visible as a funnel-shaped cloud, and touches the ground
    tornado
  15. a severe storm that develops over tropical oceans and whose strong winds of more that 120km/h spiral in toward the intensely low-pressure storm center
    hurricane
  16. an instrument that measures and indicates temperature
    thermometer
  17. an instrument that measures atmospheric pressure
    barometer
  18. an instrument used to measure wind speed
    anemometer

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