Atmospheric Layers, Wind And Air Pressure Question Preview (ID: 46792)
Weather And Climate Unit.
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The Earth’s Atmosphere is composed of 78% Nitrogen, 21% Oxygen, and 1% other gases as well as water vapor and minute particles. Which term describes the Earth’s atmosphere?
a) compound
b) element
c) chemical
d) mixture
As altitude increases,
a) barometric pressure increases.
b) barometric pressure decreases.
c) humidity decreases.
d) humidity increases.
All weather activity occurs in which layer of the atmosphere?
a) troposphere
b) stratosphere
c) mesosphere
d) thermosphere
78% of Earth's atmosphere is composed of ____________.
a) nitrogen
b) oxygen
c) carbon dioxide
d) hydrogen
The phrases: Largest layer of atmosphere and Ultraviolet radiation causes ionization describe what layer of Earth's atmosphere?
a) troposphere
b) mesosphere
c) stratosphere
d) thermosphere
Earth's atmosphere is unique among the planets and is able to support life because it contains a large amount of ___________.
a) oxygen
b) helium
c) methane
d) carbon dioxide
As you travel up into the mountains, you notice discomfort in your ears. This is due to
a) the low pressure in your ears.
b) the low pressure at the bottom of the mountain.
c) the low air pressure in the mountains.
d) the high air pressure in the mountains.
This is the coldest layer of Earth's atmosphere, with the temperatures at the top of this layer as low as -90° C (-130° F). This is the _________________.
a) exosphere
b) ionosphere
c) mesosphere
d) thermosphere
This gas is found in the stratosphere where it helps protect us from UV radiation.
a) ozone
b) oxygen.
c) nitrogen
d) carbon dioxide
Weather systems and fronts develop and travel through the ________________ section of the atmosphere.
a) mesosphere
b) stratosphere
c) thermosphere
d) troposphere
The large winds that circle the Earth occur because the equator
a) has less energy than the Sun.
b) is perpendicular to the Suns rays.
c) is warmer than the north and south poles.
d) is the place where the Earth bulges slightly.
The ______ ______ blow from east to west, in both the southern and northern hemispheres, and move warm tropical air toward the equator. The east - west movement is caused by the ______Effect.
a) trade winds; Coriolis
b) global winds; wind
c) trade winds; equinox
d) global winds, solstice
In the northern hemisphere, convection creates __________ large convection cells that produce _____________ winds.
a) 1; doldrums
b) 2; easterlies
c) 3; global
d) 4; westerlies
The temperature difference causes the wind to blow from low temperature to high temperature or _____ to _____
a) left to right
b) right to left
c) top to bottom
d) bottom to top
Warm air rises at the equator and cold air sinks at the poles creating________ _______. Warm air is less dense and rises; it is replaced by cooler air. This creates air movement.
a) rain currents
b) wind currents
c) conduction currents
d) convection currents
At night, a _____ ______ forms because land cools more quickly that water; cool land air moves to replace rising warm air over the water.
a) sea breeze
b) land breeze
c) ocean breeze
d) trade wind
Warm air rises; colder air sinks. This creates a __________ current that helps creates breezes and _______.
a) radiation; wind
b) conduction; wind
c) convection; wind
d) radiation; magic
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