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Climate Change #2
Test Description: Review #2
Instructions: Answer all questions to get your test result.
1) Over the past 150 years, the levels of carbon dioxide in the atmosphere has
A
decreased
B
increased until recently, and then decreased
C
stayed about the same
D
increased
2) Increased carbon dioxide may cause global warming by
A
allowing more sunlight into the atmosphere
B
trapping more heat in the atmosphere
C
reflecting more sunlight from clouds
D
reducing the amount of oxygen in the air
3) Earth's ozone layer
A
traps carbon dioxide in the stratosphere
B
has been thickening over the past several years
C
filters harmful ultraviolet radiation from the sun
D
exists only in Antarctica
4) Which of the following explains the principle behind the difference in sunlight received by Earth?
A
The amount of solar radiation he sun receives varies
B
The amount of solar radiation that Earth absorbs is constant
C
Cyclical changes in Earth's orbit and in the tilt of its axis cause climatic changes
D
The amount of solar radiation the sun receives is constant
5) In general, how do Earth systems react to change?
A
They become smaller
B
They collapse
C
They restore balance
D
They become disrupted
6) A closed system is a system in which the only thing exchanged with the surroundings is
A
water
B
mass
C
energy
D
matter
7) Which of the following is NOT an important energy source for Earth system?
A
gravity
B
radioactive decay
C
sun
D
nitrogen
8) Which of the following is NOT involved in the movement of matter and energy between reservoirs?
A
Phosphorus Cycle
B
Earth Cycle
C
Carbon Cycle
D
Nitrogen Cycle
9) The part of Earth where life exists
A
hydrosphere
B
geosphere
C
biosphere
D
closed system
10) The portion of Earth that is water
A
Hydrosphere
B
Open System
C
Biosphere
D
Geosphere
*select an answer for all questions
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