wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Carbon Cycle

Total questions: 20

Worksheet time: 4mins

Name
Class
Date
1.
oxygen is a gas produced by _ and used by  _ 
a)
plants and animals 
b)
photosynthesis and carbon dioxide 
c)
animals and plants 
d)
carbon dioxide and photosynthesis
2.
All of the carbon in existence is continually recycled in the carbon cycle
a)
True
b)
False
3.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
4.
How do living organisms return carbon to the atmosphere in the carbon cycle?
a)
respiration and photosynthesis
b)
 decomposition and respiration
5.
In the carbon cycle, producers take in the gas __
a)
carbon dioxide
b)
oxygen
c)
nitrogen
d)
carbon monoxide
6.
All of the carbon in existence is continually recycled in the carbon cycle
a)
True
b)
False
7.

Choose all the items made out of carbon

a)

Food

b)

Animals

c)

Plants

d)

Tennis Racket

e)

Pretty much everything

8.

What do 'plants' do with the carbon they receive?

a)

They turn it into water

b)

They don't need carbon

c)

They turn it into food by photosynthesis

d)

They keep it forever

9.

How do animals get carbon?

a)

Photosynthesis

b)

They absorb it from the atmosphere

c)

The sun

d)

They eat other plants and animals

10.

What is CO2?

a)

Air

b)

Oxygen

c)

Carbon Dioxide

d)

Dioxide

11.

All things are made out of carbon or need carbon to live.

a)

True

b)

False

12.

How is carbon recycled?

a)

The carbon cycle

b)

At the recycle plant

c)

It can't be recycled

d)

Through water

13.

What are the top things that contribute to global warming? (Choose more than one)

a)

Cow Farts

b)

Burning Gas in cars and factories

c)

Cutting down Trees

d)

Solar Power

14.
1. Oxygen exists in the atmosphere as which state of matter?
a)
solid
b)
liquid 
c)
gas
d)
plasma
15.
In the nonliving environment, carbon exists as a gas in _____.
a)
cells
b)
geosphere
c)
atmosphere
16.
Earth has a fixed amount of _____.
a)
trees
b)
carbon
c)
carbon dioxide
17.
Carbon enters the living world through the process of _____.
a)
photosynthesis
b)
respiration
c)
combustion
d)
decomposition
18.
In the atmosphere, carbon attaches to oxygen to form _____.
a)
C
b)
O
c)
CO2 
d)
C6H12O6
19.
The process of burning is called _____.
a)
decomposition
b)
combustion
c)
respiration
20.

Through the process of photosynthesis, plants pull CO2 from the air to make plant food for themselves.

a)

True

b)

False

Similar Resources on Wayground

Periodic Table Quiz

15 questions

Periodic Table Quiz

quiz

Worksheet

•

10th Grade

Matter and its Nature

17 questions

Matter and its Nature

quiz

Worksheet

•

10th Grade - University

Endogenic process

20 questions

Endogenic process

quiz

Worksheet

•

11th Grade

Atmospheres

19 questions

Atmospheres

quiz

Worksheet

•

7th - 12th Grade

Unit 3: Cellular Transport Test

18 questions

Unit 3: Cellular Transport Test

quiz

Worksheet

•

11th Grade - University

SINGAPORE SCIENCE ODYSSEY

16 questions

SINGAPORE SCIENCE ODYSSEY

quiz

Worksheet

•

10th Grade

Water and Solution part 1

20 questions

Water and Solution part 1

quiz

Worksheet

•

11th Grade

Photosynthesis

20 questions

Photosynthesis

quiz

Worksheet

•

9th - 10th Grade