Carbon Cycle Quiz ( Tuesday 12th)

What is carbon?

• A gas in the atmosphere

• A building block of life

• A type of rock

• A food source for animals

What does the 'C' in the carbon cycle represent?

• Carbon atoms

• Cats

• Carbon dioxide only

• A type of food

Where do plants get their carbon from?

• Soil

• Sunlight

• Air (as carbon dioxide)

• Water

What role do plants play in the carbon cycle?

• They release carbon only

• They store and release carbon

• They absorb carbon and never release it

• They produce fossil fuels

How do animals obtain carbon?

• By eating plants and other animals

• By breathing it in

• By absorbing it from the soil

• By creating it themselves

What happens to carbon when animals exhale?

• It becomes fossil fuels

• It is absorbed by plants

• It is released as carbon dioxide back into the air

• It stays in their bodies

What is the final stage of carbon when an organism dies?

• It vanishes

• It remains in the atmosphere

• It can become trapped in soil or turn into fossil fuels over time

• It becomes food for other animals

What are fossil fuels?

• Carbon-rich minerals found in plants

• Carbon trapped over millions of years that becomes coal, oil, or gas

• Water-soluble forms of carbon

• Carbon atoms that turn into soil

Why is the ocean floor called a 'carbon sink'?

• It stores large amounts of carbon

• It is where carbon evaporates

• It filters carbon out of the air

• It produces carbon

How do humans disrupt the carbon cycle?

• By planting more trees

• By burning fossil fuels and cutting down trees

• By increasing oxygen levels

• By eating more plants