Chapter 18 - Earth's Atmosphere Question Preview (ID: 33675)
Earth's Atmosphere.
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The troposphere contains _________ percent of atmospheric gases.
a) 10
b) 25
c) 75
d) 95
In a high-pressure system is forecast, you can expect to see _______________.
a) Warmer weather and rain or storms
b) Clear skies and cooler weather
c) Cooler weather and rain or storms
d) None of the answers are correct
_______________ is what is happening in the atmosphere right now.
a) Climate
b) Rain
c) Snow
d) Weather
______________ is the movement of air due to differences in pressure.
a) Wind
b) A Current
c) An air mass
d) A front
Sudden weather changes are caused by movement of _______________.
a) the ozone layer
b) ocean currents
c) air masses
d) wind
A(n) ___________ is a large body of air that has the same properties as the area of Earth's surface over which it develops.
a) air mass
b) cloud
c) atmosphere
d) current
The place where air masses come together is called a ___________________.
a) storm system
b) front
c) tornado
d) hurricane
______________ is the pattern of weather that occurs in a particular area over many years.
a) A trend
b) Climate
c) Weather
d) A temperate zone
Alto cumulus clouds are _____________.
a) mid-elevation fluffy clouds
b) mid-elevation layered clouds
c) high-elevation layered clodus
d) high-elevation fluffy clouds
Cirrostratus clouds are _______________________.
a) low-elevation fluffy clouds
b) mid-elevation layered clouds
c) high-elevation layered clouds
d) high-elevation fluffy clouds
Air at the bottom of the atmosphere is ___________ air at the top.
a) more dense than
b) less dense than
c) the same as
d) has less oxygen
What keeps Earth's atmosphere from drifting away?
a) gravitational attraction between Earth and the gases in the atmosphere
b) weight of the gases at the top of the atmosphere pressing down
c) both A and B
d) neither A and B
Cumulonimbus clouds are _____________.
a) fluffy clouds that bring rain
b) layered clouds that bring rain
c) feather clouds
d) high wispy clouds
The ozone layer is found in the _______________.
a) exosphere
b) mesosphere
c) stratosphere
d) troposphere
Feathery clouds are called _________________.
a) cumulus clouds
b) stratus clouds
c) cirrus clouds
d) rain clouds
The lowest layer of Earth's atmosphere is the _________________.
a) stratosphere
b) troposphere
c) mesophere
d) exosphere
The layer of air surrounding the Earth is the Earth's _____________.
a) environment
b) air pressure
c) atmosphere
d) ozone
The constant movement of water from Earth's surface into the atmosphere and back again is called _________________.
a) the water cycle
b) a surface current
c) weather
d) evaporation
How are clouds formed?
a) Water vapor cools as it rises and condenses into liquid.
b) Water vapor warms as it rises and condenses into liquid.
c) Water vapor cools as it rises and evaporates into liquid.
d) Water vapor warms as it rises and evaporates into liquid.
What is a front?
a) A large mass of air that takes on the characterisitics where it is formed.
b) Where two air masses meet.
c) Formed when liquid condenses in the atmosphere.
d) An increase of temperatures over the world.
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