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WorksheetsKozian Feedback Loops
Total questions: 14
Worksheet time: 13mins
Name
Class
Date
1.
As you get dehydrated, your blood becomes thicker and harder to pump. Your kidneys will respond by stopping urine production, sending the water from urine into your bloodstream to thin your blood back to normal level.
a)
Positive Feedback Response
b)
Negative Feedback Loop
2.
Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released.
a)
Positive Feedback Response
b)
Negative Feedback Loop
3.
Negative Feedback Loops:
a)
amplify processes
b)
prevent small changes from getting larger
c)
are initiated during childbirth
d)
are found only in plants
4.
What do we call a feedback that tends to damp down, reduce or counteract any deviation from an equilibrium, and promotes stability
a)
neutral feedback
b)
negative feedback
c)
positive feedback
d)
Can be both positive and negative feedback
5.
A rise in temperatures can cause more evaporation and clouds. These clouds will, in turn, reflect more incoming radiation. Identify this type of feedback
a)
positive feedback
b)
negative feedback
6.
Rising global temperatures cause snow and ice to melt faster, thus create darker surfaces that will absorb more heat. Identify this type of feedback.
a)
positive feedback
b)
negative feedback
7.
What type of feedback is shown by the image?
a)
open
b)
closed
c)
positive
d)
negative
8.
Give another name for the term "albedo" of a surface.
a)
reflectiveness
b)
smoothness
c)
colour
d)
shape
9.
True or False? Many different feedback loops can be occurring at the same time and make it difficult to predict how climate change will affect us.
a)
True
b)
False
10.
What is another word that can be used to describe "homeostasis"?
a)
STABLE
b)
EQUAL
c)
COMPLETE
d)
CORRECT
11.
Feedback loops are important because they allow organisms and the environment to
a)
change based on new inputs
b)
fall apart
c)
change based on new outputs
d)
maintain balance
12.
This graph represent the interactions in the predator prey ecosystem. Based on this image, what type of feedback loops is this one?
a)
Positive
b)
Negative
c)
Intermittent
d)
full loop
13.
If the ppm continue rising, what would be its effect?
a)
The temperature will lower
b)
The temperature will continue to rise
c)
the temperature will level
d)
Global warming is a hoax.
14.
What is the correlation between parts per million (ppm) and temperature changes.
a)
No correlation
b)
b. The highers the temperature the lower the carbon levels
c)
The higher the carbon levels the higher the temperature
d)
The higher the year, the lower the ppm.
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