The Carbon Cycle

The Carbon Cycle

Molecules on the Move

Multiple Choice

The movement of carbon atoms through the atmosphere, biosphere, hydrosphere, and geosphere is known as

• The Water Cycle

• The Carbon Cycle

• The Life Cycle

• The Moto Cycle

Multiple Choice

How did plants use up the carbon dioxide in the atmosphere?

• Through the process of cellular respiration

• Through the process of photosynthesis

• There was no other food so they ate it.

Multiple Choice

How do animals get carbon?

• By eating plants

• Through photosynthesis

• breathing

• diffusion

Multiple Select

Cellular respiration is the opposite of ...

• diffusion

• combustion

• breathing

• photosynthesis

Multiple Choice

What does limestone begin as?

• fish

• igneous rock

• shells of marine animals

• plants

Multiple Select

Which of the following are considered fossil fuels? Choose ALL that apply.

• coal

• oil

• natural gas

• copper ore

Multiple Select

What are the two ways carbon dioxide can be taken out of the environment? Choose the two correct answers.

• photosynthesis

• dissolved into oceans

• combustion

• cellular respiration

The Journy of a Carbon Atom

(The Carbon Cycle)

Multiple Choice

What form was the carbon in at the beginning of the journey?

• a solid (coal)

• a solid (part of a plant)

• a liquid (carbonic acid in the water)

• a gas (carbon dioxide)

Multiple Choice

What form was the carbon in at the end of the cycle?

• a solid (coal)

• A solid (part of a plant)

• a liquid (carbonic acid in the water)

• A gas (carbon dioxide)

Multiple Select

During the carbon atoms journey, what forms did it take? (Check All That Apply)

• a structural part of a plant cell

• carbon dioxide gas

• carbonic acid

• coal

• humus (dead/decaying plant material)

Multiple Select

Which of the following are considered carbon "sinks"? (Check All That Apply)

• plastic

• all organisms

• fossil fuels

• limestone

• long-lived trees

Multiple Select

Which of the following are considered "sources" of carbon? (How carbon gets into the atmosphere)

• erosion of limestone

• burning wood and coal

• bacteria and fungi decomposing organic matter

• photosynthesis

• cellular respiration

Multiple Choice

Which of the following is not a "Releasing Agent" of carbon?

• photosynthesis

• driving a car

• forest fire

• volcanic activity

• combustion