WorksheetsCarbon Cycle
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
When humans EXHALE, we release ____________________.
a)
Oxygen
b)
Nitrogen
c)
Water
d)
Carbon Dioxide
2.
How does carbon get from the atmosphere into organisms?
a)
Decomposition
b)
Respirataion
c)
Photosynthesis
d)
Deposition
3.
How does carbon get from underground deposits (fossil fuels) into the atmosphere?
a)
Decomposition
b)
Deposition
c)
Photosynthesis
d)
Combustion
4.
Which of the following is the biggest carbon store?
a)
Plants
b)
Ocean
c)
Atmosphere
d)
Soil
5.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
6.
The process of burning fuel to drive a car or operate a factory is called
a)
photosynthesis
b)
combustion
c)
respiration
7.
Very slight increases in the acidity of seawater __________ marine organisms that make shells.
a)
doesn't bother
b)
has no effect on
c)
is unhealthy and stresses
8.
What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
9.
How does carbon get from living organisms into the sediment?
a)
Decomposition
b)
Respiration
c)
Photosynthesis
d)
Deposition
10.
Select all of the storages of the carbon cycle
a)
Atmosphere
b)
Living organsisms
c)
Clouds
d)
Ocean
e)
Fossil fuels
100 %
