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15 Cards in this Set
- Front
- Back
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What layer of the atmosphere does almost all weather occur in?
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troposphere
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Four examples of precipitation?
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rain
sleet snow hail |
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The boundary between two unlike air masses.
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a front
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On a weather map, a line with a row of triangles on one side shows the location of .......?
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a cold front
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A meterologist looks at data about temperature, air pressure, and wind speed from high up in the atmosphere. The data probably came from a
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a weather balloon
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Weather stations do not collect data about(choose 2) temperature, humidity, cloudiness, precipitation, barometers, air pressure, wind.
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thermometers and barometers are instruments that collect data
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How do weather fronts move?
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west to east
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What does a front moving toward an area mean?
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changing weather
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Name 2 factors that cause clouds to form when water vapor cools.
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condensation
dust particles |
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The centers of hurricanes and tornadoes have very low....
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air pressure
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In sunny, dry weather, the air pressure is........
and the relative humidity is...... |
air pressure: high
relative humidity: low |
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What do you use to measure wind speed accurately?
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an anenometer
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A groundhog seeing his shadow means 6 more weeks of winter is an example of.....
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weather folklore
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The change scientists have observed inwhich the Earth's average temperature is increasing.
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global warming
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The amount of water vapor in the air compared with the greatest amount that could be in the air at that temperature and pressure.
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relative humidity
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