The Carbon Cycle Worksheet
Explore the carbon cycle with this worksheet for 8th-grade science, covering key processes and reservoirs.
Includes
Standards
The Carbon Cycle
Name:
Date:
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Read each question carefully and provide your best answer. Refer to the carbon cycle diagram as needed.
The diagram below illustrates the major processes and reservoirs involved in the carbon cycle.
1. Which process releases carbon dioxide into the atmosphere?
Photosynthesis
Respiration
Decomposition
Both b and c
2. Which of the following is a major reservoir for carbon?
Atmosphere
Oceans
Fossil fuels
All of the above
3. Plants take in carbon dioxide from the atmosphere during the process of .
4. When organisms die, decomposers break down their bodies, returning carbon to the soil and .
5. The burning of releases large amounts of carbon dioxide into the atmosphere, contributing to climate change.
6. The carbon cycle is a one-way process where carbon is used up and disappears.
True
False
7. Oceans absorb a significant amount of carbon dioxide from the atmosphere.
True
False
8. Describe the role of photosynthesis in the carbon cycle.
9. Explain how human activities, such as burning fossil fuels, impact the carbon cycle.
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