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Environmental Science Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the process of water turning into vapor?

a)

Precipitation

b)

Condensation

c)

Evaporation

d)

Runoff

2.

Which process in the carbon cycle removes carbon dioxide from the atmosphere?

a)

Respiration

b)

Photosynthesis

c)

Combustion

d)

Decomposition

3.

What happens to nitrogen when animals die?

a)

It disappears

b)

It is absorbed by rocks

c)

Decomposers release it back into the soil

d)

It turns into carbon dioxide

4.

Which human activity releases excessive carbon dioxide into the atmosphere?

a)

Planting trees

b)

Burning fossil fuels

c)

Photosynthesis

d)

Condensation

5.

What process in the nitrogen cycle converts atmospheric nitrogen into a form plants can use?

a)

Nitrogen fixation

b)

Precipitation

c)

Respiration

d)

Evaporation

6.

What is the role of decomposers in material cycles?

a)

They release oxygen

b)

They break down dead organisms

c)

They produce carbon dioxide

d)

They filter water

7.

Which of the following is NOT a step in the water cycle?

a)

Evaporation

b)

Photosynthesis

c)

Precipitation

d)

Runoff

8.

What would happen if decomposers disappeared from an ecosystem?

a)

Nutrients would not be recycled

b)

The sun would stop shining

c)

Water would stop evaporating

d)

The atmosphere would lose oxygen

9.

How does deforestation impact the carbon cycle?

a)

It increases carbon dioxide in the atmosphere

b)

It decreases carbon dioxide in the atmosphere

c)

It prevents evaporation

d)

It increases nitrogen in the soil

10.

Why is the nitrogen cycle important?

a)

It provides oxygen for animals

b)

It helps in plant growth by providing essential nutrients

c)

It creates water vapor

d)

It increases carbon dioxide in the atmosphere