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Carbon cycle

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is symbol is carbon shown as on the periodic table?

a)

C

b)

CO

c)

CA

d)

CB

2.

What is the reason as to why climate change occured?

a)

To much oxygen in the atmosphere

b)

To much nitrogen in the atmosphere

c)

To much carbon in the atmosphere

d)

To much phosphorus in the atmosphere

3.

Why is the carbon cycle beneficial to us?

a)

We breath in carbon

b)

Photosynthesis in the cycle provides us with oxygen

c)

We need carbon to break down food.

4.

What is combustion?

a)

The exhaling of carbon dioxide.

b)

The breaking down of shells.

c)

The burning of fossil fuels.

5.

What is erosion?

a)

The burning of fossil fuels.

b)

The breaking down of shells.

c)

The exhaling of carbon dioxide.

6.

What is respiration?

a)

The exhaling of carbon dioxide, and the inhale of oxygen.

b)

The burning of fossil fuels.

c)

The breaking down of shells.

7.

Which of these is a process in which carbon is cycled through?

a)

Combustion

b)

Erosion

c)

Respiration

d)

All of the above

8.

What is climate change?

a)

The trapping of heat within the atmosphere/planet.

b)

The cooling of the atmosphere/planet.

c)

An increase in precipitation.

9.

What is photosynthesis?

a)

The process in which oxygen is turned into carbon by plants.

b)

The process in which carbon is turned into oxygen and glucose by plants.

10.

What is are some of the major causes of climate change?

a)

Planting to many trees.

b)

To much breathing.

c)

Deforstation

d)

Burning of fossil fuels.

11.

What is deforestation?

a)

The cutting down of to many trees within a forest.

b)

The planting of to many trees within a forest.

12.

Is climate change beneficial to us or harmful?

a)

Beneficial

b)

Harmful

13.

What are some of the harmful effects of climate change?

a)

Less agriculture

b)

Increased temperatures

c)

Extreme weather

d)

Melting of glaciers and polar ice

e)

All of the above.

14.

What does to much carbon in the atmosphere lead to?

a)

Long term changes in temperatures and weather (climate change)

b)

The cooling of the planet.

c)

To much precipitation.

d)

Less oxygen

15.

How are fossil fuels formed?

a)

By the decomposition of dead organisms over time underground.

b)

By photosynthesis

c)

By combustion.

d)

By the decomposition of dead organisms over time on the surface.