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Carbon review

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

How does carbon get into the atmosphere? Check all that apply.

a)

Cow burps and farts

b)

Burning fossil fuels

c)

Photosynthesis

d)

Forest fires

2.

Through the process of photosynthesis, plants take in ________________.

a)

carbon dioxide

b)

oxygen

c)

glucose

d)

methane

3.

Where can you find carbon?

a)

Only in the Earth's atmosphere.

b)

Inside all water molecules.

c)

Inside the sun.

d)

Inside every living thing on Earth.

4.

Carbon moves from fossil fuels to the atmosphere when fuels are burned.

a)

True

b)

False

5.

Which of the following removes carbon dioxide from the atmosphere?

a)

Combustion

b)

Respiration

c)

Photosynthesis

d)

Death

6.

If the plant population decreased, the amount of carbon in the atmosphere would ____________________.

a)

Increase

b)

Decrease

c)

Stay the same

7.

Why does too much carbon dioxide in the atmosphere cause climate change?

a)

It cools our planet.

b)

Blocks out UV rays.

c)

Lets light escape.

d)

Traps heat and warms the planet.

8.

When gases trap heat in Earth's atmosphere it is called

a)

infrared radiation

b)

solar radiation

c)

greenhouse effect

d)

global cooling

9.

Carbon can be stored in the ocean

a)

True

b)

False

10.

The earth is heated by sunlight, this heat that comes off earth's surface is also called

a)

sunlight

b)

infrared radiation

c)

gamma radiation

d)

greenhouse gases

11.

Which is not a greenhouse gas?

a)

carbon dioxide

b)

methane

c)

oxygen

12.

In an experiment, the thing that stays the same is a/an _

a)

independent variable

b)

dependent variable

c)

constant

d)

data table

13.

This experiment is measuring how much carbon dioxide plants take in during photosynthesis. What is the dependent variable in this experiment?

a)

the amount of light

b)

the number of leaves

c)

the size of the test tube

d)

the amount of carbon dioxide

14.

This experiment is measuring how much carbon dioxide plants take in during photosynthesis. What is the independent variable in this experiment?

a)

the amount of light

b)

the number of leaves

c)

the size of the test tube

d)

the amount of carbon dioxide

15.

Carbon is found in (check all that apply)

a)

the atmosphere

b)

cows

c)

the ocean

d)

shells and coral

e)

coal