Chapter 18 - Earth's Atmosphere Question Preview (ID: 33675)


Earth's Atmosphere. TEACHERS: click here for quick copy question ID numbers.

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

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

Cirrostratus clouds are _______________________.
a) low-elevation fluffy clouds
b) mid-elevation layered clouds
c) high-elevation layered clouds
d) high-elevation fluffy clouds

Alto cumulus clouds are _____________.
a) mid-elevation fluffy clouds
b) mid-elevation layered clouds
c) high-elevation layered clodus
d) high-elevation fluffy clouds

______________ 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

The place where air masses come together is called a ___________________.
a) storm system
b) front
c) tornado
d) hurricane

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

______________ 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

_______________ is what is happening in the atmosphere right now.
a) Climate
b) Rain
c) Snow
d) Weather

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

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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