WorksheetsCarbon Cycle Diagram
Total questions: 15
Worksheet time: 15mins
Carbon can move back and worth between the atmosphere and oceans by ______.
Photosynthesis
Cellular Respiration
Decomposition
Dissolving
Which of the following add carbon dioxide to the atmosphere?
volcanoes
combustion of fossil fuels
animal and plant respiration
all of these
All of the carbon in existence is continually recycled in the carbon cycle
True
False
Which of the following are some of the major carbon stores on Earth? You can choose multiple answers
The ocean
The lithosphere (upper part of Earth's crust)
The atmosphere
Ocean coral and oysters use carbon to create _________.
oxygen
shells
leaves
food
Deforestation causes an increase in ____________
Oxygen
Nitrogen
Carbon dioxide
Increased habitats
or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.
True
False
What is the primary process by which carbon is removed from the atmosphere in the carbon cycle?
Photosynthesis
Respiration
Combustion
Decomposition
Which of the following is a major carbon sink in the carbon cycle?
Volcanoes
Fossil fuels
Forests
Urban areas
In the carbon cycle, what role do decomposers play?
They release carbon dioxide through respiration.
They convert carbon dioxide into oxygen.
They store carbon in their bodies.
They prevent carbon from entering the atmosphere.
Which process in the carbon cycle is primarily responsible for the release of carbon dioxide from fossil fuels?
Photosynthesis
Combustion
Decomposition
Respiration
How does deforestation affect the carbon cycle?
Increases carbon storage in trees
Decreases atmospheric carbon dioxide
Increases atmospheric carbon dioxide
Has no effect on the carbon cycle
What is the role of the ocean in the carbon cycle?
It acts as a carbon source.
It acts as a carbon sink.
It has no role in the carbon cycle.
It only releases carbon dioxide.
Which of the following human activities has the greatest impact on the carbon cycle?
Planting trees
Burning fossil fuels
Recycling
Using solar panels
What is the effect of increased carbon dioxide levels on global temperatures?
Decreases temperatures
Increases temperatures
No effect on temperatures
Causes temperatures to fluctuate randomly
