SC 8 L 18 3

Quiz
•
Science
•
8th Grade
•
Hard
+4
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which human activity significantly impacts the carbon cycle by increasing atmospheric carbon dioxide levels?
Planting trees
Burning fossil fuels
Using solar energy
Recycling materials
Tags
FL.SC.8.L.18.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the carbon cycle, what is the role of decomposers?
They convert carbon dioxide into glucose.
They break down dead organisms, releasing carbon back into the environment.
They store carbon in their bodies for long periods.
They transform carbon into nitrogen compounds.
Tags
FL.SC.8.L.18.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the effect of deforestation on the carbon cycle?
It increases the amount of carbon stored in the soil.
It decreases the amount of carbon dioxide in the atmosphere.
It reduces the number of trees that can absorb carbon dioxide.
It enhances the process of photosynthesis.
Tags
FL.SC.8.L.18.3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which process in the carbon cycle is primarily responsible for the formation of fossil fuels?
Photosynthesis
Respiration
Decomposition
Sedimentation and burial
Tags
FL.SC.8.L.18.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does volcanic activity affect the carbon cycle?
It decreases atmospheric carbon dioxide levels.
It releases stored carbon dioxide into the atmosphere.
It converts carbon dioxide into oxygen.
It absorbs carbon dioxide from the atmosphere.
Tags
FL.SC.8.L.18.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following best explains the importance of the carbon cycle to ecosystems?
It provides a source of energy for all living organisms.
It ensures a constant supply of carbon for building organic molecules.
It regulates the Earth's temperature by controlling oxygen levels.
It prevents the accumulation of nitrogen in the atmosphere.
Tags
FL.SC.8.L.18.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary source of carbon for the carbon cycle?
Carbon dioxide in the atmosphere
Carbon stored in rocks
Carbon found in the ocean
Carbon in fossil fuels
Tags
FL.SC.8.L.18.3
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