Understanding Weather – Chapter 3, Section 1 – Flashcards
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He never saw the settlers of _____________ again.
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Roanoke
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How does runoff affect the water cycle?
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It carries water from precipitation into oceans
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What happens when air reaches it's dew point?
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Relative humidity is 100%
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What weather is caused by nimbostratus clouds?
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rainy weather
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How does sleet differ from snow?
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It starts as rain then freezes in the air
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Which describes an altocumulus cloud?
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Puffy mid-level cloud
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How is hail created?
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It is sent up into clouds many times
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What increases air's ability to hold water vapor?
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Increase in tempurature
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What part of the water cycle do clouds form?
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In condensation
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What is a cloud made of?
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Water droplets
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What is a puffy cloud in the middle altitude called?
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Altocumulus
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What cloud may go from a low to high altitude?
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Cumulonimbus
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What cloud is layered and made of ice crystals?
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Cirrostratus
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What clouds are puffy and white and indicate fair weather?
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Cumulus
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When people use coasters for glasses, the coaster prevents what from damaging a table
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Condensation
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Fog is a type of
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Cloud
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A psychrometer measures
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Relative humidity
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The most common precipitation is
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Rain
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Precipitation that is made of balls of ice is called
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Hail
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Precipitation that freezes as it falls is
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Sleet
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Water vapor that changes to a solid is
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snow
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What atmospheric conditions would most likely produce an ice storm?
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Temperature in the clouds would be above freezing.
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Why does fog disappear during the day?
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rising temperatures cause this
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Amount of water vapor in the air
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Humidity
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The process in which liquids turn into vapor
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Evaperation
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Area of high pressure where air moves apart and sinks
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Anticyclone
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The temperature at which air must cool to be saturated
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Dew point
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Process when water vapor turns to liquid
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condensation
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What measuring tool has two thermometers
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Psychrometer
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Amount of moisture in the air
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Humidity
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Percentage that shows how much water vapor is in the air
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Relative humidity
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Moisture in the air
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Water vapor
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The temperature at which air is saturated
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Dew point
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A cloud that forms near the ground
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fog
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A cloud that brings a thunderstorm
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Cumulonimbus
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A puffy white cloud with a flat bottom
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Cumulus
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Clouds that cover a large area
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Stratus
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What type of environment not likely to form?
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The area must have the relative humidity of 100%
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How much moisture can air hold at 20 degrees Celcius?
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18 g/m
