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Vocabulary List 10
Test Description: Biogeochemical Cycles Vocabulary Words
Instructions: Answer all questions to get your test result.
1) This describes the movement of nitrogen throughout the atmosphere, lithosphere and biosphere.
A
carbon cycle
B
nitrogen cycle
C
water cycle
D
oxygen cycle
2) Nitrogen gas is converted into a usable compound called nitrates by certain types of microorganisms.
A
assimilation
B
weathering
C
deforestation
D
nitrogen fixation
3) Some bacteria take nitrogen out of compounds in the soil and change it back into nitrogen gas that is released into the atmosphere.
A
cellular respiration
B
photosynthesis
C
nitrogen cycle
D
denitrification
4) Plants roots absorb nitrogen containing nutrients in the soil.
A
assimilation
B
volcanic activity
C
cellular respiration
D
sedimentation
5) A natural process in which substances are broken down to create energy.
A
nitrogen fixation
B
nitrogen cycle
C
global warming
D
cellular respiration
6) Materials that slowly formed underground from the remains of plants and animals that died millions of years ago.
A
decay
B
combustion
C
fossil fuels
D
deforestation
7) A natural process involving the eruption of hot gases and rock material from within Earth.
A
global warming
B
weathering
C
volcanic activity
D
decay
8) The process by which stones at the Earth's surface are broken down, either physically or chemically.
A
volcanic activity
B
deforestation
C
weathering
D
decay
9) A reaction in which a substance burns in oxygen. This process releases carbon dioxide into the atmosphere.
A
photosynthesis
B
global warming
C
combustion
D
nitrogen fixation
10) The release of carbon dioxide that was once dissolved in water into the air
A
decay
B
nitrogen fixation
C
degasification
D
weathering
11) A natural process with plants in which carbon dioxide and water are converted into sugar.
A
deforestation
B
photosynthesis
C
nitrogen cycle
D
water cycle
12) A natural process in which pieces of rock and other matter settle out of water and are buried.
A
sedimentation
B
fossil fuels
C
nitrogen cycle
D
combustion
13) A natural process in which carbon dioxide from the atmosphere dissolves into water.
A
dissolution
B
denitrification
C
deforestation
D
decay
14) Cutting down large areas of trees. This puts more carbon dioxide and less oxygen in the air.
A
decay
B
denitrification
C
combustion
D
deforestation
15) An increase in Earth's average global temperatures.
A
volcanic activity
B
global warming
C
nitrogen cycle
D
photosynthesis
16) A natural process in which organic matter, like dead organisms, decompose or break down.
A
nitrogen fixation
B
global warming
C
decay
D
cellular respiration
*select an answer for all questions
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