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Biogeochemical Cycles

Total questions: 23

Worksheet time: 12mins

Name
Class
Date
1.

In the water cycle, what is the name of the stage that "water falls to

Earth as a liquid (usually

rain, sleet or snow)"

a)

Infiltration

b)

Precipitation

c)

Runoff

d)

Condensation

2.

In the water cycle, what is the name of the stage that "some water

seeps underground from the

surface of the Earth"

a)

Infiltration

b)

Precipitation

c)

Runoff

d)

Condensation

3.

In the water cycle, what is the name of the stage that "liquid water that

isn’t infiltrated runs along the surface and collects in

bodies of water"

a)

Infiltration

b)

Precipitation

c)

Runoff

d)

Condensation

4.

In the water cycle, what is the name of the stage that "water vapor condenses to form clouds before precipitating again"

a)

Infiltration

b)

Precipitation

c)

Runoff

d)

Condensation

5.

In the water cycle, what is the name of the stage that "water rises back into the atmosphere as water vapor from plants"

a)

Infiltration

b)

Evaporation

c)

Transpiration

d)

Condensation

6.

In the water cycle, what is the name of the stage that "sun heats liquid water to vapor and it rises to the atmosphere"

a)

Infiltration

b)

Evaporation

c)

Transpiration

d)

Condensation

7.

What is NOT negative human impact to the water cycle?

a)

Paving/Building

b)

Pollution

c)

Fertilizer

d)

Deforestation

8.

Which element cannot change chemical forms?

a)

Water

b)

Nitrogen

c)

Carbon

9.

In the carbon cycle, what is the stage where "plants capture CO2 from the atmosphere and use it to make sugar"

a)

Cellular Respiration

b)

Photosynthesis

c)

Consumption

d)

Decomposition

10.

In the carbon cycle, what is the stage where "CO2 released into atmosphere as waste from metabolism"

a)

Cellular Respiration

b)

Photosynthesis

c)

Consumption

d)

Decomposition

11.

In the carbon cycle, what is the stage where "one organism eats another for carbon"

a)

Cellular Respiration

b)

Photosynthesis

c)

Consumption

d)

Decomposition

12.

In the carbon cycle, what is the stage where "decomposers break down carbon from dead organisms, recycling it in the soil"

a)

Cellular Respiration

b)

Photosynthesis

c)

Consumption

d)

Decomposition

13.

In the carbon cycle, what is the stage where "converts carbon from once-living organisms into fossil fuels through intense heat and compression"

a)

Cellular Respiration

b)

Fozzilization

c)

Combustion

d)

Decomposition

14.

In the carbon cycle, what is the stage where "CO2 released into

atmosphere from burning"

a)

Cellular Respiration

b)

Fozzilization

c)

Combustion

d)

Decomposition

15.

Which of the following is a negative human impact to the carbon cycle?

a)

Fertilizer

b)

Combustion

c)

Deforestation

d)

Pollution

16.

Which cycle cannot occur without living organisms?

a)

Water

b)

Carbon

c)

Nitrogen

17.

In the nitrogen cycle, what is the stage where "bacteria (or

lightning!) in the soil or water convert nitrogen (from the air or water) into forms

that plants can use"

a)

Nitrogen Fixation

b)

Consumption

c)

Nitrification

d)

Denitrification

18.

In the nitrogen cycle, what is the stage where "one

organism eats another and obtains the nitrogen in it"

a)

Nitrogen Fixation

b)

Consumption

c)

Nitrification

d)

Denitrification

19.

In the nitrogen cycle, what is the stage where "bacteria convert nitrogen in ammonia into nitrates and nitrites to be absorbed by plants in their roots"

a)

Nitrogen Fixation

b)

Consumption

c)

Nitrification

d)

Denitrification

20.

In the nitrogen cycle, what is the stage where "bacteria convert nitrogen in ammonia to N2 so it can go back into the atmosphere"

a)

Nitrogen Fixation

b)

Consumption

c)

Nitrification

d)

Denitrification

21.

In the nitrogen cycle, what is the stage where "decomposers, like

bacteria, break down dead matter, returning nitrogen to the soil"

a)

Nitrogen Fixation

b)

Ammonification

c)

Nitrification

d)

Decomposition

22.

In the nitrogen cycle, what is the stage where "bacteria convert

nitrogen from waste (urine and feces) into ammonia"

a)

Nitrogen Fixation

b)

Ammonification

c)

Nitrification

d)

Decomposition

23.

Which two negative impacts do not relate to the nitrogen cycle?

a)

Fertilizer

b)

Combustion

c)

Deforestation

d)

Pollution