The Carbon Cycle
An educational worksheet for 6th graders to learn about the carbon cycle, its components, and its importance in Earth's systems.
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Topics
The Carbon Cycle
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Read each question carefully and answer to the best of your ability. Refer to the carbon cycle diagram if needed.
1. Which of the following processes releases carbon dioxide into the atmosphere?
Photosynthesis
Respiration
Absorption by oceans
Formation of fossil fuels
2. Plants take in carbon dioxide from the atmosphere during which process?
Decomposition
Combustion
Photosynthesis
Erosion
3. The carbon cycle describes how carbon moves between the atmosphere, oceans, land, and .
4. When humans burn fossil fuels, it releases large amounts of into the atmosphere.
5. Animals release carbon dioxide when they breathe.
True
False
6. Carbon is only found in the atmosphere.
True
False
7. Briefly explain the role of decomposers in the carbon cycle.
8. Name two ways human activities impact the carbon cycle.
Use the words below to complete the sentences.
9. Plants absorb carbon dioxide from the during .
10. Animals release carbon dioxide through a process called . Burning also releases carbon dioxide.
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