Weather Review

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precipitation
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Air Masses
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clouds
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instruments
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miscellaneous
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Watercycle
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airmasses
instruments
Watercycle
precip
Clouds
misc
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Water in the air condenses when the air is cooled
to the point of this
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What is saturation?
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What water vapor in the air eventually falls to
the Earth as
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What is precipitation?
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What cloud droplets that fall in temperatures
above freezing fall as
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What is rain?
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What forms instead of rain when the air
temperature is below freezing
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What is snow?
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Snowflakes that melt as they fall then refreeze
form this
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What is sleet?
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The properties of this are determined by the part
of the Earths surface over which it forms
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What is an air mass?
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The slope of a warm air mass
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What is gentle?
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The kind of front that forms when a warm air mass
is forced up over a cold air mass
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What is a warm front?
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The kind of air mass that develops over Northern
Canada
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What is cold and dry?
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The kind of front that forms when two cold air
masses merge and the warm air mass between them
is forced to rise
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What is occluded?
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A large and billowy cloud
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What is cumulus?
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When water does this in the atmosphere, it forms
clouds
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What is condenses?
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When air near the ground is cooled to the
saturation point, this forms
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What is fog?
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Water that condenses around dust particles in the
atmosphere forms these
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What are cloud droplets?
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The type of clouds that form near the ground
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What is stratus?
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An instrument used to measure temperature
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What is a thermometer?
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Sensitive instruments used to measure atmospheric
pressure
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What are barometers?
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The measure of the amount of water at a
particular temperature

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What is the relative humidity?
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An instrument which measures relative humidity
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What is a psychrometer?
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The kind of weather that high pressure usually
brings
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What is clear?
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The amount of water vapor in the air
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What is humidity?
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How a great deal of water gets into the atmosphere
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What is evaporates?
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The temperature at which air is saturated and
condensation takes place
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What is dew point?
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The boundary between air masses
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What is a front?
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The kind of front that forms when a cold air mass
moves underneath a warm air mass
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What is cold?
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The journey water takes as it circulates from the
land to the sky and back again.
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What is the water cycle?
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The Sun's heat provides energy to evaporate water
from the Earth's surface. Plants also lose water
to the air called
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What is transpiration?
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Some of the underground water that is trapped
between rock or clay layers is called this.
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What is groundwater?
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The process in which liquid water becomes water
vapor (a gas)

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What is evaporation?
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The process by which water vapor (a gas) in the
air turns into liquid water forming clouds in the
sky
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What is condensation?
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