SpaceScience
Test 7Earth and Space Test 7
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Which type of UV radiation is only partially absorbed by
the ozone layer, allowing some of it to reach the earth's UVB
surface?
How does air normally move in the atmosphere? high pressure to low pressure
What name is given to the upper atmosphere because of
heterosphere
its distinct layers?
What is the normal value of atmospheric pressure at sea
1013 MILLIBARS
level?
Which temperature layer of the atmosphere contains the
stratosphere
ozone layer?
Which type of current causes most of the earth's weather? convection current
What is the coldest point in the atmosphere? mesopause
At what point on the earth's elliptical orbit does Earth
perihelion
receive the greatest amount of insolation?
What global winds occur at the earth's surface in high
polar easterlies
latitudes?
What portion of Earth's magnetic field stretches away from
magnetotail
the sun?
Which atmospheric layer is the least understood? Mesosphere
What is the most important and abundant greenhouse
water vapor
gas?
Why is afternoon usually the warmest part of the day? Trapped heat remains in the atmosphere
Why does a compass always point north? The compass points toward Earth's magnetic poles
Why do cyclones in the Southern Hemisphere rotate the
opposite direction from cyclones in the Northern Hemi- The Coriolis effect bends the winds in different directions
sphere?
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