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The Ozone Layer
Test Description: Ozone layer intro
Instructions: Answer all questions to get your test result.
1) The gas that is most abundant in the atmosphere is
A
Carbon
B
Oxygen
C
Iron
D
Nitrogen
2) What absorbs ultraviolet rays in the atmosphere?
A
troposphere
B
greenhouse gases
C
ozone layer
D
stratosphere
3) Which of these sets of three items produce CFCs
A
cars, factories, and cardboard
B
spray cans, refrigerant, cardboard
C
spray cans, refrigerant, insulation
D
spray cans, cardboard, insulation
4) The gas that is the second most abundant in the atmosphere is
A
Uranium
B
Oxygen
C
Nitrogen
D
Argon
5) How many oxygen atoms does a molecule of ozone contain?
A
3
B
1
C
4
D
2
6) The Earth acts like a greenhouse that catches and traps heat from the sun.
A
False
B
True
7) This traps heat and absorbs gases (carbon dioxide, methane..) and keeps the earth warm. Allowing heat to go back into space prevents Earth from becoming too warm
A
Mesosphere
B
Greenhouse Gases
C
The Greenhouse Effect
D
Ozone Layer
8) Where is the ozone located?
A
stratosphere
B
mesosphere
C
thermosphere
D
troposphere
9) What chemical is responsible for breaking up the ozone?
A
Carbon Dioxide
B
CFCs
C
Oxygen
D
Nitrogen
10) The Montreal Protocol banned the use of CFCs. What do they hope this will do for the ozone layer?
A
Make the ozone hole larger
B
Make the ozone hole smaller
C
Deplete it completely
D
Thin the layer to allow more gas to escape
11) Heat that enters the atmosphere from the sun is
A
More during the night
B
More during the day
C
Always the same - day or night
12) Without the Greenhouse Effect the Earth would be
A
Too hot
B
Too cold
C
Just right
*select an answer for all questions
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