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21 Cards in this Set
- Front
- Back
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The boundary between two air masses is a ________.
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front
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Scientists who study weather and the atmosphere are called ________.
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meteorologists
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A puffy cloud is a _______ cloud.
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cumulus
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The instrument that shows wind direction is a _____ _____.
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wind vane
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The layer of the atmosphere where most weather takes place is the _____.
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troposphere
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Air pressure is measured in _______ and _______.
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millibars and inches
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The instrument that measures wind speed is an ______.
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anemometer
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The instrument that is used to measure air pressure is a _________.
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barometer
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The two things about wind that weather forecasters measure are _____ and ______.
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speed and direction
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The movement of air is _____.
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wind
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The instrument that measures some kinds of precipitation is a ______.
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rain gauge
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The state of the atmosphere at a certain place and time is the _____.
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weather
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The instrument that measures temperature is a _____.
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thermometer
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Farenheit and Celsius are two _______ ________.
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temperature scales
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Clouds form when water vapor (a gas) changes to water droplets (a liquid). This process is called_______.
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condensation
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The instrument that measures the amount of water vapor (humidity) in the air is a ______.
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hygrometer
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High and wispy clouds are ______ clouds.
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stratus
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Snow, rain, sleet, and hail are kinds of __________.
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precipitation
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To estimate wind speed, you can use the ________ _______.
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Beaufort scale
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The movement of water on, above, and below Earth's surface is the _______ _______.
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water cycle
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A thin, feathery cloud made of ice crystals is a _____ cloud.
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cirrus
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