Glencoe Science Level Green

Chapter 4: Atmosphere

Atmosphere

1
Why are the thermosphere and exosphere the warmest of the atmospheric layers?
A)because of the gases trapped in these layers
B)because they are closest to the Sun
C)because the underlying mesosphere keeps the warm air there
D)because the air pressure is too great
2
What is it called when water changes from gas to liquid?
A)freezing
B)melting
C)evaporation
D)condensation
3
Where can CFCs be found?
A)aerosol sprays
B)all answers are correct
C)refrigerators
D)air conditioners
4
What causes a shooting star?
A)a meteor in the troposphere
B)a comet in the stratosphere
C)a meteor in the mesosphere
D)a comet in the thermosphere
5
Which layer of the atmosphere is named after its high temperature?
A)stratosphere
B)mesosphere
C)thermosphere
D)troposphere
6
Why are there fewer molecules of air up in the mountains?
A)because air is too heavy
B)because air pressure decreases as you go higher
C)because air pressure is the same throughout all layers of the atmosphere
D)because air pressure increases as you go higher
7
The hydrosphere, which consists of all of Earth's water, is maintained __________.
A)by recycling water in the atmosphere
B)by removing water from the atmosphere
C)by addition of water to the atmosphere
D)by the clouds in the atmosphere
8
How do CFCs destroy ozone?
A)A CFC combines with a three-atom oxygen molecule.
B)A carbon atom from a CFC combines with one oxygen from ozone and leaves a two-atom oxygen molecule.
C)A chlorine atom from a CFC combines with two oxygen atoms from ozone and leaves an oxygen atom.
D)A chlorine atom from a CFC combines with one oxygen from ozone and leaves a two- atom oxygen molecule.
9
Within which layer of the atmosphere do you find rain, snow, and clouds?
A)mesosphere
B)troposphere
C)stratosphere
D)thermosphere
10
How have humans altered the composition of Earth's atmosphere?
A)They have made the atmospheric temperature drop.
B)They have polluted it with carbon dioxide gas.
C)They have polluted it with excess ozone.
D)They have made the atmospheric pressure drop.
11
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.
12
Conduction is the transfer of heat through __________.
A)touch
B)thoughts
C)radiation
D)empty space
13
What form of energy transfer heats Earth?
A)radiation
B)convention
C)conduction
D)recycling
14
Which layer of the atmosphere contains the ozone layer?
A)thermosphere
B)exosphere
C)stratosphere
D)troposphere
15
What is the most abundant gas in Earth's atmosphere?
A)oxygen
B)carbon
C)hydrogen
D)nitrogen
16
What two forms of heat transfer help create a sea breeze?
A)radiation and recycling
B)convection and radiation
C)radiation and conduction
D)convection and conduction
17
What's the difference between ozone and the oxygen you breath?
A)They're made of totally different atoms.
B)Ozone is made of three atoms of oxygen, and the oxygen you breathe is made of two.
C)One is in gas form and the other is in liquid form.
D)Ozone is made of two atoms of oxygen and the oxygen you breath is made of three.
18
How many layers does Earth's atmosphere have?
A)five
B)seven
C)four
D)six
19
Heat flows from __________.
A)medium to high temperature
B)low to high temperature
C)high to low temperature
D)same temperature to same temperature
20
What would happen if Earth had no atmosphere?
A)Earth would not have days.
B)Earth would not have nights.
C)The days would be hot and the nights would be cold.
D)The days would be cold and the nights would be hot.
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