wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Carbon Cycle

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Subduction and Volcanic eruptions are part of which carbon cycle?

a)

Geological

b)

Biological

2.

Decomposition and Photosynthesis and part of which carbon cycle?

a)

Geological

b)

Biological

3.

Weathering and dissolution are part of which carbon cycle?

a)

Geological

b)

Biological

4.

Respiration and Diffusion are part of which carbon cycle?

a)

Geological

b)

Biological

5.

Which carbon cycle releases 1,000 times more carbon into the atmosphere?

a)

Geological

b)

Biological

6.

Carbon is absorbed and released where the oceans’ surface meets the air.

a)

Weathering

b)

Respiration

c)

Diffusion

d)

Subduction

7.

The reverse of photosynthesis - Sugars are used for metabolism and change “fuel” back into CO2.

a)

Diffusion

b)

Weathering

c)

Decomposition

d)

Respiration

8.

Carbon enters the soil through dead plant or animal matter.

a)

Decomposition

b)

Respiration

c)

Photosynthesis

d)

Diffusion

9.

Organic matter, burred over millions of years

a)

Fossil Fuels

b)

Decomposition

c)

Combustion

d)

Subduction

10.

Carbon bearing sediment is pushed deep into the ground and heats up

a)

Combustion

b)

Subduction

c)

Respiration

d)

Diffusion