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WorksheetsCarbon Cycle Review
Total questions: 12
Worksheet time: 12mins
All of the carbon in existence on Earth is continually recycled in the carbon cycle
True
False
Which of these is NOT one of the main "spheres" of the Earth?
Biosphere
Lithosphere
Hydrosphere
Cryosphere
How does carbon move from the biosphere into the atmosphere?
Through cellular respiration
Through photosynthesis
Through burning fossil fuels
Through carbon dissolving in the ocean
How do humans obtain their carbon?
From absorbing sunlight
From inhaling carbon
From eating plants and animals
From cow farts
Which is NOT a carbon source?
Burning fossil fuel
The ocean
Cellular respiration
Animal waste products
Which of the following are carbon sinks?
The ocean
Plants
The atmosphere
Clouds
If a carbon molecule moves from a plant to an animal, is it moving through the short-term or long-term carbon cycle?
Short-term
Long-term
Formation of fossil fuels is part of the:
Short-term carbon cycle
Long-term carbon cycle
Where does carbon go when organisms are decomposed?
Into the atmosphere
Into the trees
Into coal
Into the soil
What is the Earth's carbon budget?
All of the carbon in the universe
The amount of carbon in both sinks and sources
The money spent on the carbon cycle
The carbon in the atmosphere
What is the largest man-made source of carbon on Earth?
Cellular respiration
Burning fossil fuels
Farming
Ocean acidification
How does the ocean fit into the carbon cycle?
Absorbs carbon dioxide from the atmosphere
Filters carbon for marine plants to use
Takes carbon from the soil on the ocean floor
Cycling carbon from the biosphere
