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Ch. 16 Vocabulary

Ch. 16 Vocabulary. Cloud. a collection of small water droplets or ice crystals suspended in the air, which forms when the air is cooled and condensation occurs. Humidity. amount of water vapor in the air. Precipitation.

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Ch. 16 Vocabulary

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  1. Ch. 16 Vocabulary

  2. Cloud a collection of small water droplets or ice crystals suspended in the air, which forms when the air is cooled and condensation occurs

  3. Humidity amount of water vapor in the air

  4. Precipitation any form of water that falls to the Earth’s surface from the clouds

  5. Weather short-term state of the atmosphere, including temperature, humidity, precipitation, wind, and visibility

  6. Condensation the change of state from a gas to a liquid

  7. Relative humidity ratio of the amount of water vapor in the air to the amount of water vapor needed to reach saturation at a given temperature

  8. Thunderstorm usually brief, heavy storm that consists of rain, strong winds, lightening, and thunder

  9. Air masses large body of air where temperature and moisture content are constant throughout

  10. Front boundary between air masse of different densities and usually different temperatures

  11. Anticyclone the rotation of air around a high-pressure center in the direction opposite to Earth’s rotation

  12. Lightning electric discharge that takes place between 2 oppositely charges surfaces, such as between a cloud and the ground, between 2 clouds, or between 2 parts of the same cloud

  13. Thunder sound cased by the rapid expansion of air along an electrical strike

  14. Tornado destructive, rotating column if air that has very high wind speeds, is visible as a funnel-shaped cloud, and touches the ground

  15. Anemometer instrument used to measure wind speed

  16. Thermometer instrument that measures and indicates temperature

  17. Cyclone an area in the atmosphere that has lower pressure than the surrounding areas and has winds that spiral toward the center

  18. Barometer instrument that measures atmospheric pressure

  19. Hurricane severe storm that develops over tropical oceans and whose strong winds or more than 120 km/h spiral toward the intensely low pressure storm center

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