WorksheetsCarbon Practice Quiz
Total questions: 22
Worksheet time: 10mins
When humans burn fossil fuels, most of the carbon quickly enters the ____________ as carbon dioxide.
Hydrosphere
Atmosphere
Biosphere
Geosphere
In the carbon cycle, producers like terrestrial plants take in the gas __
carbon dioxide
oxygen
nitrogen
carbon monoxide
CO2 is released into the atmosphere by
Cutting trees and decomposing life
Burning fossil fuels
Erosion of rock and soils
All of these
CO2 is removed from the atmosphere
By plants
By dissolving in the ocean
By being buried in rocks
All of these are right
Respiration is a process where living things (animals) use food and ___________ to make __________________
Oxygen, Nitrogen
Carbon Dioxide, Oxygen
CO2, O
Oxygen, Carbon Dioxide
What is a carbon sink?
Something that adds to the atmosphere.
Something that removes carbon from the atmosphere.
Something that adds carbon to the earth's crust.
Something that removes carbon from the earth's crust.
The total set of carbon emissions caused by an individual.
carbon cycle
carbon handprint
carbon footprint
carbon summary
Why does too much carbon dioxide in the atmosphere cause climate change?
It cools down our planet
It blocks out UV rays
It traps heat like a blanket and warms up our planet
It lets sunlight escape
Carbon is a:
compound
element
mixture
molecule
Where can you find carbon?
Only in Earth's atmosphere
Inside all water molecules
Inside the sun
Inside every living thing on Earth
How many atoms of carbon are in a molecule of carbon dioxide ( CO2)?
1
2
3
4
Which is an example of a carbon sink?
In the geosphere, carbon can be found in a a fossil fuel like ______________________
carbonic acid (H2CO3)
methane CH4)
calcium carbonate (CaCo3)
carbon monoxide (CO)
Which of the following are fossil fuels?
Coal, water, oil
Oxygen, coal, oil
Coal, Oil, Natural Gas
None of the above
Where is the molecule C2H12O6 located in the earth's spheres?
Geosphere
Hydrosphere
Biosphere
Atmosphere
Which molecule is carbonic acid that forms in oceans due to carbon molecules dissolving in the oceans?
CO2
CO
H2CO3
C12H24
CH4
Which of Earth's spheres is NOT a carbon sink?
Hydrosphere
Atmosphere
Biosphere
Geosphere
