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WorksheetsFeedback Loops and Carbon Cycle
Total questions: 11
Worksheet time: 11mins
Name
Class
Date
1.
The following is an example of what type of feedback loop?
a)
Negative Feedback Loop
b)
Neutral Feedback Loop
c)
Positive Feedback Loop
d)
Cowboy Feedback Loop
2.
The following is an example of what type of feedback loop?
a)
Negative Feedback Loop
b)
Neutral Feedback Loop
c)
Positive Feedback Loop
d)
Cowboy Feedback Loop
3.
The following is an example of what type of feedback loop?
a)
Negative Feedback Loop
b)
Neutral Feedback Loop
c)
Positive Feedback Loop
d)
Hypothermia Feedback Loop
4.
The following is an example of what type of feedback loop?
a)
Negative Feedback Loop
b)
Neutral Feedback Loop
c)
Positive Feedback Loop
d)
Global Warming Feedback Loop
5.
The following is an example of what type of feedback loop?
a)
Negative Feedback Loop
b)
Neutral Feedback Loop
c)
Positive Feedback Loop
d)
Animal Feedback Loop
6.
Where do trees get the majority of their matter from?
a)
Earth
b)
Air
c)
Fire
d)
Water
7.
What process does the purple arrow indicate?
a)
Respiration
b)
Photosynthesis
c)
Combustion
d)
Decomposition
8.
In a volcanic eruption, carbon dioxide dissolved in magma is released into the atmosphere during the explosion. What transition is described here?
a)
Biosphere to geosphere
b)
Hydrosphere to biosphere
c)
Geosphere to atmosphere
d)
Atmosphere to hydrosphere
9.
Which of the following images shows a transition from the biosphere to the geosphere?
a)
Image A
b)
Image B
c)
Image C
d)
Image D
10.
Which of the following processes add methane (CH4) to the atmosphere?
a)
Breakdown of plant and animal remains in the soil.
b)
Leakage from natural gas pipelines.
c)
Food digestion by land animals.
d)
All of the above.
11.
Suppose the inputs and outputs to the atmospheric carbon reservoir each year were as shown below. How much carbon would the atmosphere contain in ten years?
a)
780 GtC
b)
790 GtC
c)
810 GtC
d)
820 GtC
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