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WorksheetsEarth's Atmosphere
Total questions: 46
Worksheet time: 2hrs 18mins
Name
Class
Date
1.
What is the purpose of the atmosphere?
a)
support life on Earth and protect it from radiation
b)
create and control weather and climate
c)
provide gases plants and animals need to breathe
d)
all of the above
2.
What is the most abundant gas in the Earth's atmosphere?
a)
nitrogen
b)
oxygen
c)
argon
d)
carbon dioxide
3.
Oxygen makes up _______ of the Earth's atmosphere.
a)
80%
b)
100%
c)
2%
d)
21%
4.
_______________ is an important gas in the atmosphere because plants use it to grow and develop.
a)
Argon
b)
Nitrogen
c)
Water Vapor
d)
Carbon Dioxide
5.
What uses nitrogen, releases oxygen, and remove carbon dioxide from the atmosphere?
a)
Animals
b)
People
c)
Plants
d)
Oceans
6.
Green plants remove this from the atmosphere?
a)
Carbon dioxide
b)
Oxygen
c)
Methane
d)
Nitrogen
7.
This gas is released into the atmosphere by plants as they photosynthesize?
a)
Carbon dioxide
b)
Nitrogen
c)
Oxygen
d)
Water Vapor
8.
Pressure exerted on Earth by the atmosphere is known as
a)
atmospheric pressure
b)
the greenhouse effect
c)
global warming
d)
density
9.
Atmospheric pressure increases with increased altitude (height).
a)
True
b)
False
10.
Gas molecules are further apart as altitude increases because outer layers of the atmosphere are ___________ dense than the lower layers.
a)
less
b)
more
c)
the same
11.
What instrument measures atmospheric density?
a)
pressure gauge
b)
telescope
c)
thermometer
d)
barometer
12.
This is the lowest layer of the atmosphere where virtually all weather occurs.
a)
Exosphere
b)
Troposhpere
c)
Mesosphere
d)
Stratosphere
13.
Winds are caused by
a)
ocean currents
b)
unequal heating of the earth's surface
c)
global warming
d)
the Earth's rotation
14.
This is a high level, wispy cloud composed of ice crystals.
a)
Nimbus
b)
Cumulus
c)
Stratus
d)
Cirrus
15.
This is a mid-level, fluffy, dense cloud that looks like floating cotton balls.
a)
Cumulus
b)
Cirrus
c)
Stratus
d)
Nimbus
16.
This is a low level cloud that forms in layers like a blanket across the sky.
a)
Cumulus
b)
Cirrus
c)
Stratus
d)
Nimbus
17.
This type of cloud extends through all levels and is responsible for rain and storms.
a)
Stratus
b)
Nimbus
c)
Cumulus
d)
Cirrus
18.
This is the second layer that is very calm and where airplanes prefer to fly undisturbed.The ozone layer is also located here.
a)
Exosphere
b)
Atmosphere
c)
Mesosphere
d)
Stratosphere
19.
This layer is the coldest layer that protects earth by burning up meteoroids when they enter. The air temperature here decreases with altitude.
a)
Mesosphere
b)
Atmosphere
c)
Ionosphere
d)
Exosphere
20.
The ____________ layer contains a gas that absorbs solar radiation and then releases it as heat. This layer also protects earth from harmful UV rays.
a)
ozone
b)
atmosphere
c)
cloud
d)
greenhouse
21.
This is the hottest layer and temperatures increase here with altitude. The Aurora Borealis occurs here and this is also where the space shuttle orbits.
a)
Thermosphere
b)
Mesosphere
c)
Exosphere
d)
Ionosphere
22.
This layer is a part of the Thermosphere and contains electrically charged particles. Gas particles here also absorb UV and X-ray radiation from the sun.
a)
Exosphere
b)
Troposphere
c)
Mesosphere
d)
Ionosphere
23.
What layer of the atmosphere would a satellite orbit?
a)
Thermosphere
b)
Mesosphere
c)
Exosphere
d)
Stratosphere
24.
What layer of the atmosphere would meteoroids burn up?
a)
Mesosphere
b)
Exosphere
c)
Troposphere
d)
Stratosphere
25.
What layer of the atmosphere has weather and the water cycle?
a)
Thermosphere
b)
Troposphere
c)
Stratosphere
d)
Exosphere
26.
What layer of the atmosphere is home to the Aurora Borealis?
a)
Exosphere
b)
Mesosphere
c)
Thermosphere
d)
Stratosphere
27.
What layer of the atmosphere is where airplanes and weather balloons fly?
a)
Troposphere
b)
Stratosphere
c)
Thermosphere
d)
Ionosphere
28.
Identify A
a)
Troposphere
b)
Mesosphere
c)
Stratosphere
d)
Exosphere
29.
Identify C
a)
Troposphere
b)
Mesosphere
c)
Stratosphere
d)
Exosphere
30.
Identify E
a)
Troposphere
b)
Thermosphere
c)
Stratosphere
d)
Exosphere
31.
Identify B
a)
Troposphere
b)
Mesosphere
c)
Stratosphere
d)
Exosphere
32.
Identify D
a)
Thermosphere
b)
Mesosphere
c)
Stratosphere
d)
Exosphere
33.
What is the Earth's atmosphere?
a)
gases that surround the planet
b)
top part of the water cycle
c)
outer space
d)
none of the above
34.
Which of the following gases help make up the Earth's atmosphere?
a)
nitrogen, glycerine, amonia, and oxygen
b)
feldspar, hematite, oxygen, and silver
c)
nitrogen, oxygen, carbon dioxide, & water vapor
d)
water vapor, hydrogen, and ozone
35.
How does air pressure change as altitude increases?
a)
air pressure decreases
b)
air pressure increases
c)
air pressure stays the same
36.
As air pressure decreases so does ______________.
a)
vision
b)
sound
c)
density
d)
ozone
37.
The Exosphere is _________ dense than the Stratosphere. Gas molecules are far apart and that is why the air is really thin there.
a)
more
b)
less
c)
the same
38.
Most energy from the sun comes in the form of _____________ and __________________. A small amount arrives as ultraviolet rays.
a)
light and currents
b)
currents and waves
c)
visible light and infrared radiation
d)
radiation and spectrum
39.
The process by which gases hold heat in the air is called the _____________________
a)
atmospheric air
b)
ozone layer
c)
greenhouse effect
d)
scattering
40.
Heat is transferred in three ways: radiation, conduction, and convection.
a)
True
b)
False
41.
Radiation, conduction, and convection work together to heat the ________________
a)
troposphere
b)
exosphere
c)
ocean
d)
ground
42.
What is the major way that heat is transferred in the troposphere?
a)
radiation
b)
convection currents
c)
conduction
d)
none of the above
43.
The gradual increase in the temperature of the Earth's atmosphere is known as __________________.
a)
radiation
b)
global warming
c)
end of the world
d)
all of the above
44.
Gases in the atmosphere that trap energy are called _________________
a)
greenhouse gases
b)
radiant gases
c)
ultraviolet
d)
El Nino
45.
Chemicals produced by humans have been damaging the __________________.
a)
sky
b)
greenhouse
c)
exosphere
d)
ozone layer
46.
A major cause of ozone depletion is a group of compounds called ______________. These were used in air conditioners and refrigerators as well as in electronic parts and aerosol sprays.
a)
chlorofluorocarbons (CFCs)
b)
cirrus clouds
c)
stratus
d)
carbonation
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