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13 Cards in this Set
- Front
- Back
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What kind of clouds are low and flat and sometimes cover the sky like a blanket that rain and snow fall from?
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Stratus clouds
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What kind of clouds form as warm, moist air moves high into the sky?They are often seen during fair weather.
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Cumulus clouds
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What clouds form high in the sky in cold temperatures and are made mostly of ice crystals? They move quickly and mean that warm air is on the way.
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Cirrus Clouds
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Does cold air hold more or less water vapor than warm air?
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Less
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How does water move through the water cycle?
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Water evaporates into the air. The water vapor condenses and forms tiny drops. Clouds are formed. The clouds get heavy causing water drops to fall as rain.
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What are the three steps in the water cycle?
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Evaporation, Condensation, and Precipitation
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What causes weather to change?
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Moving air masses
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What causes air masses to move?
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Differences in air pressure and wind.
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How do air masses usually move in the USA?
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From west to east.
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What happens when there is a cold front?
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The warm air rises quickly and cools rapidly, causing huge storm clouds. Cold fronts move quickly so the storm is brief.
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What happens when there is a warm front?
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The warm air slides slowly over the cold air mass forming cirrus clouds followed by lower thick clouds. Rain may last several days.
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What tools do weather stations use?
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satellites, weather balloons
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How do weather forecasts help people stay safe?
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They allow people to prepare for changing weather conditions.
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