The Carbon Cycle Worksheet
Explore the intricate processes of the carbon cycle, its reservoirs, and its significance in Earth's climate system for Grade 10 Science.
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The Carbon Cycle Worksheet
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Read each question carefully and answer to the best of your ability. Refer to the provided diagram where necessary.
The diagram below illustrates the carbon cycle.

1. Which of the following is the largest reservoir of carbon on Earth?
Atmosphere
Oceans
Fossil fuels
Sedimentary rocks
2. Which process removes carbon dioxide from the atmosphere?
Respiration
Combustion
Photosynthesis
Decomposition
3. Plants absorb carbon dioxide from the atmosphere during the process of .
4. The burning of fossil fuels releases large amounts of into the atmosphere.
5. Describe the role of decomposers in the carbon cycle.
6. Explain how human activities impact the balance of the carbon cycle.
7. The ocean acts as a significant carbon sink.
True
False
8. All carbon on Earth is stored in the atmosphere.
True
False