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Air Pressure Jeopardy“A” “B” “C” “D” “E” “F”
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a device like a wind mill to detect wind speed and direction
aerovane
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an instrument used to determine wind speed
anemometer
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is an instrument used to measure atmospheric pressure
barometer
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is a weather phenomenon in which there is a descending movement of the air and a high pressure area over the part of the planet's
surface affected by it
anticyclone
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the condition that exists when the wind distribution within a given region results in a net horizontal
inflow of air into the area
convergence
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is an area of low atmospheric pressure characterized by inward spiraling winds
that rotate counter clockwise in the northern hemisphere
cyclone
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the condition that exists when the wind distribution within a given region results in a net horizontal
outflow of air into the area
divergence
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the curved airflow pattern around a pressure center resulting from a
balance among pressure gradient forces
gradient wind
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areas have more atmospheric mass above their location
high pressure
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a contour line of equal or constant pressure
isobar
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areas that have less atmospheric mass above their location
low pressure
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unit of pressure
millibar
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a wind that conisistently blows from one direction
prevailing wind
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a region of high atmospheric pressure
ridge
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an elongated region of low atmospheric pressure
trough
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is the flow of air or other gases that compose an atmosphere
wind
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is a movable device attached to an elevated object such as a roof for showing the direction of the wind
wind vane
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is a recording aneroid barometer
barograph
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a type of barometer that consists of empty metal chambers
aneroid barometer
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the force exerted by the weight of a column of air above a given point
air pressure
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The force that generates wind is:
pressure gradient force.
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An altimeter is an adaptation of the:
aneroid barometer.
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Meteorologists convert all atmospheric pressure data to the
equivalent sea-level air pressure in order to:
remove the effects of elevation.
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The addition of water vapor will cause the density of air to:
decrease.
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A steep pressure gradient:
produces strong winds.
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Upper air winds.
are generally faster than surface winds.
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High air pressure zones are usually associated with:
relatively dry conditions.
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If "fair" weather is approaching, the pressure tendency would
probably be:
rising.
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When air moves from the ocean onto land.
converging winds and ascending air result over the land.
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The Coriolis effect occurs because of this characteristic of the earth:
Its rotation
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