WorksheetsEarth as a System
Total questions: 42
Worksheet time: 21mins
Name
Class
Date
1.
What is one way that the phosphorous cycle differs from the other biogeochemical cycles?
a)
It requires bacteria to convert phosphorus into a usable form.
b)
It does not involve cycling through the atmosphere.
c)
It is the shortest cycle.
d)
The cycle is not affected by humans.
2.
What sphere of Earth is composed of mostly Nitrogen and oxygen?
a)
Biosphere
b)
Geosphere
c)
Atmosphere
d)
Hydrosphere
3.
What is the sphere of the Earth that contains glaciers and sea ice called?
a)
Atmosphere
b)
Hydrosphere
c)
Geosphere
d)
Biosphere
4.
What is the name of the process by which atmospheric nitrogen is converted into ammonia?
a)
Denitrification
b)
Nitrogen Fixation
c)
Assimilation
d)
Nitrification
5.
Inherent value that comes from simply existing is know as __________.
a)
Intrinsic Value
b)
Instrumental Value
c)
Personal value
d)
Environmental value
6.
Contamination of an aquatic system due to excess nutrients is called
a)
Nitrification
b)
Denitrification
c)
Eutrophication
d)
Bleaching
7.
The process by which matter is returned to the soil by animal excretion of waste is called ___________.
a)
Decomposition
b)
Nitrification
c)
Ammonification
d)
Denitrification
8.
Which type of feedback mechanism causes a system to change in the opposite direction?
a)
Positive feedback
b)
Negative Feedback
9.
A system in which energy can move in and out but matter cannot is known as a ________ ________.
a)
Closed System
b)
Open System
c)
Isolated System
10.
Anything that has mass and takes up space is called ___________
a)
Energy
b)
Volume
c)
Matter
d)
Weight
11.
What is the name for a reservoir that absorbs more carbon than it releases?
a)
Carbon Sink
b)
Carbon Source
12.
In the Antarctic case study what variable increased?
a)
Krill
b)
Adele Penguins
c)
Sea Ice
d)
Snowfall
13.
The idea that humans are dominant over nature is called a ________ _______.
a)
Biocentric Worldview
b)
Western Worldview
c)
Deep Ecology Worldview
d)
Frontier Worldview
14.
What is the name of the process by which nitrate is converted to nitrogen gas and returned to the atmosphere?
a)
Nitrification
b)
Denitrification
c)
Nitrogen Fixation
d)
Ammonification
15.
Which process removes carbon from the atmosphere?
a)
Decomposition
b)
Respiration
c)
Photosynthesis
d)
Combustion
16.
Eutrophication is __________.
a)
The conversion of matter into a fossil fuel.
b)
Evaporation from plant leaves
c)
Algae blooms caused by excessive phosphorus
d)
The phase change of a liquid to a gas
17.
Who is credited for developing the theory of Tragedy of the Commons?
a)
Garrett Hardin
b)
James Hutton
c)
Alfred Wegener
d)
Gifford Pinchot
18.
Which of Earth's spheres contains the most carbon?
a)
Atmosphere
b)
Geosphere
c)
Hydrosphere
d)
Biosphere
19.
A thermos is an example of a __________.
a)
Open System
b)
Closed System
c)
Isolated System
20.
The human body is an example of an _________.
a)
Open system
b)
Closed system
c)
Isolated System
21.
Blood glucose levels rise, beta cells secrete insulin, glucose is converted to glycogen, blood glucose falls. This is a ___________.
a)
Positive Feedback Mechanism
b)
Negative Feedback Mechanism
22.
What is the name for value that comes from being useful to humans?
a)
Biocentric value
b)
Intrinsic Value
c)
Instrumental Value
d)
Western Value
23.
What is the solid portion of the Earth (lithospheric plates, mountains, rocks) called?
a)
Biosphere
b)
Geosphere
c)
Exosphere
d)
Cryosphere
24.
Where did the carbon in Lake Nyos come from?
a)
Magma chambers under the lake
b)
Air pollution from the surrounding cities
c)
Run-off from farm fields
d)
Respiration by aquatic organisms
25.
Which reservoir holds the most sulfur atoms?
a)
Atmosphere
b)
Shallow ocean
c)
Rocks
d)
Marine biosphere
26.
The maintenance of an internal balance or equilibrium within a system refers to ________________.
a)
Eutrophication
b)
Denitrification
c)
homeostasis
d)
Flux mechanisms
27.
How is nitrogen gas in the atmosphere made usable?
a)
Lightning
b)
Bacteria
c)
Combustion
d)
All of the above
28.
What is created when dead plants and animals get buried and are exposed to heat and pressure over hundreds of millions of years?
a)
Marine sediment
b)
Igneous Rock
c)
Fossil fuels
d)
Nuclear energy
29.
The metabolic process which releases carbon into the atmosphere by reacting oxygen with glucose to make ATP is called?
a)
Photosynthesis
b)
Respiration
c)
Combustion
30.
What is the name of the process by which soil bacteria convert ammonia to nitrate?
a)
Nitrification
b)
Nitrogen Fixation
c)
Denitrification
d)
Assimilation
31.
Diatomic nitrogen is stable and resistant to reactions because of ________
a)
a triple covalent bond
b)
a triple ionic bond
c)
chemical bonding with oxygen
d)
lone electron pairs
32.
A self-regulating mechanism that causes a system to change further in the same direction is called a ________.
a)
Positive feedback loop
b)
Negative feedback loop
33.
The belief that all species have value and humans are not superior to other species is known as ________
a)
Western worldview
b)
Biocentric worldview
c)
True ecology worldview
d)
Eastern worldview
34.
E-waste is often exported to ______
a)
Canda
b)
Europe
c)
Greenland
d)
China
35.
What type of system is represented by a sealed bottle of soda?
a)
Open System
b)
Closed System
c)
Isolated System
36.
Trees are cut down, soil is eroded by wind and water, soil becomes depleted of nutrients, more plants die, more soil is eroded. This is an example of
a)
Negative Feedback loop
b)
Positive Feedback loop
37.
Which is not an example of a global commons?
a)
The deep ocean
b)
The atmosphere
c)
Glacier National Park
d)
Walt Disney World
38.
What is not a way that sulfur can enter the atmosphere?
a)
Combustion of fossil fuels
b)
Eruption from a volcano
c)
Evaporation from aquatic systems
d)
Photosynthesis
39.
Sulfur and phosphorus can move from rocks into soil or waterways through the process of
a)
Nitrification
b)
Ammonification
c)
respiration
d)
Weathering
40.
According to science, planet Earth is considered to be a
a)
Closed system
b)
Open system
c)
Isolated system
41.
Which is not a factor that has effected the decline of the Adelie Penguin population in the Antarctic?
a)
Krill in decline
b)
Heavy snowfall
c)
Disease
d)
Completion with the Chinstrap
42.
The greatest factor that is believed to contribute to the issue of coral bleaching is
a)
Water pollution
b)
Increased water temperature
c)
Eutrophication
d)
Predators
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