Earth Science: The Air Around You, Book I

Chapter 1: Atmosphere

Atmosphere

1.
What's the difference between ozone and the oxygen you breath?
A)Ozone is made of two atoms of oxygen and the oxygen you breath is made of three.
B)One is in gas form and the other is in liquid form.
C)They're made of totally different atoms.
D)Ozone is made of three atoms of oxygen, and the oxygen you breathe is made of two.
2.
How does the atmosphere benefit Earth?
A)It protects Earth from other planets.
B)It creates water.
C)It protects Earth from the Sun's harmful rays.
D)It protects Earth from cold air.
3.
What preceded the growth and survival of green plants on Earth?
A)human life
B)the formation of severe weather
C)the formation of an ozone layer
D)the formation of the solar system
4.
What form of energy transfer heats Earth?
A)recycling
B)radiation
C)convention
D)conduction
5.
Which layer of the atmosphere contains the ozone layer?
A)troposphere
B)stratosphere
C)exosphere
D)thermosphere
6.
What is the most abundant gas in Earth's atmosphere?
A)carbon
B)hydrogen
C)nitrogen
D)oxygen
7.
Which layer of the atmosphere is named after its high temperature?
A)thermosphere
B)troposphere
C)mesosphere
D)stratosphere
8.
What is the outermost layer of the atmosphere called?
A)thermosphere
B)exosphere
C)stratosphere
D)mesosphere
9.
How many layers does Earth's atmosphere have?
A)seven
B)four
C)five
D)six
10.
What have CFCs done to Earth and its atmosphere?
A)They have caused the number of cancer cases to rise.
B)They have created a hole in the ozone layer.
C)They have caused more ultraviolet radiation to reach Earth.
D)all answers are correct
11.
Where can CFCs be found?
A)refrigerators
B)all answers are correct
C)aerosol sprays
D)air conditioners
12.
Conduction is the transfer of heat through __________.
A)radiation
B)empty space
C)touch
D)thoughts
13.
Why are the thermosphere and exosphere the warmest of the atmospheric layers?
A)because the underlying mesosphere keeps the warm air there
B)because they are closest to the Sun
C)because of the gases trapped in these layers
D)because the air pressure is too great
14.
The hydrosphere, which consists of all of Earth's water, is maintained __________.
A)by the clouds in the atmosphere
B)by addition of water to the atmosphere
C)by removing water from the atmosphere
D)by recycling water in the atmosphere
15.
What causes a shooting star?
A)a comet in the stratosphere
B)a meteor in the mesosphere
C)a comet in the thermosphere
D)a meteor in the troposphere
16.
What two forms of heat transfer help create a sea breeze?
A)radiation and conduction
B)convection and radiation
C)radiation and recycling
D)convection and conduction
17.
Why are there fewer molecules of air up in the mountains?
A)because air pressure decreases as you go higher
B)because air pressure is the same throughout all layers of the atmosphere
C)because air is too heavy
D)because air pressure increases as you go higher
18.
What is it called when water changes from gas to liquid?
A)condensation
B)freezing
C)melting
D)evaporation
19.
Within which layer of the atmosphere do you find rain, snow, and clouds?
A)mesosphere
B)stratosphere
C)thermosphere
D)troposphere
20.
How have humans altered the composition of Earth's atmosphere?
A)They have polluted it with excess ozone.
B)They have made the atmospheric pressure drop.
C)They have made the atmospheric temperature drop.
D)They have polluted it with carbon dioxide gas.
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