WorksheetsUnderstanding the Carbon Cycle
Total questions: 10
Worksheet time: 5mins
What is the carbon cycle?
The process by which carbon moves between the atmosphere and living things.
A method of storing carbon in the ocean.
A way to measure carbon emissions.
A cycle that only involves plants.
Where can we find carbon?
Only in the atmosphere.
In carbon reservoirs like food and air.
Only in the ocean.
In rocks only.
What happens when carbon dioxide mixes with rainwater?
It forms a weak acid.
It creates oxygen.
It evaporates.
It becomes solid.
What do rivers carry to the ocean?
Carbon dioxide.
Minerals like calcium and magnesium.
Fish.
Plastic waste.
What do tiny sea animals use to build shells?
Calcium carbonate.
Sand.
Oxygen.
Carbon dioxide.
What happens to the shells of dead sea animals?
They float on the surface.
They sink to the ocean floor.
They dissolve in water.
They are eaten by other animals.
What do tectonic forces do to rocks over millions of years?
Push them deep underground.
Melt them into lava.
Break them into sand.
Turn them into fossils.
What is released through volcanoes?
Water.
Oxygen.
CO2.
Nitrogen.
Why is the slow carbon cycle important?
It helps regulate Earth's climate.
It increases carbon emissions.
It has no effect on climate.
It only affects plants.
What is a metric ton equivalent to?
1,000 kilograms.
500 kilograms.
2,000 kilograms.
1,500 kilograms.
