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Carbon Cycle

Total questions: 9

Worksheet time: 7mins

Name
Class
Date
1.

Which gaseous form of carbon is found in the atmosphere?

a)

Carbohydrate

b)

Carbonate

c)

Carbon dioxide

d)

Ozone

2.

Select the two processes that remove carbon from the atmosphere

a)

Combustion

b)

Dissolving (in water)

c)

Photosynthesis

d)

Respiration

3.

Which process moves carbon between organisms in the biosphere?

a)

Cellular Respiration

b)

Combustion

c)

Feeding

d)

Photosynthesis

4.

Which process moves carbon in dead organisms back into the soil?

a)

Compost

b)

Decomposition

c)

Feeding

d)

Fossilzation

5.

Which process moves carbon from dead organisms into fossil fuels?

a)

Compost

b)

Decomposition

c)

Feeding

d)

Fossilization

6.

Which process moves carbon from fossil fuels into the atmosphere?

a)

Combustion

b)

Respiration

c)

Fossilization

d)

Decay

7.

Matter, like carbon, (a)   in the environment. (One word answer)

8.

Carbon dissolved in the oceans can become part of corals and shells

a)

True

b)

False

9.

Which human processes create an imbalance in the carbon cycle, resulting in too much carbon dioxide in the atmosphere? (check all that apply)

a)

Burning fossil fuels

b)

Cattle farming

c)

Deforestation

d)

Mining