Essential Questions

What is the carbon cycle?

• A process by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.

• A cycle that involves the movement of water through the Earth's atmosphere, surface, and underground.

• A process that describes the movement of nitrogen through the atmosphere, soil, and living organisms.

• A cycle that involves the exchange of oxygen between the atmosphere and living organisms.

How does carbon move throughout our planet?

• Through the water cycle

• Through the carbon cycle

• Through the nitrogen cycle

• Through the oxygen cycle

What is the backbone for all living organisms on Earth?

• Oxygen

• Hydrogen

• Carbon

• Nitrogen

What is the fourth most abundant element?

• Oxygen

• Carbon

• Hydrogen

• Nitrogen

Carbon can form strong bonds and long chains of bonds. (True/False)

• True

• False

Carbon compounds can readily store, transport, and release ______.

• energy

• water

• oxygen

• carbon dioxide

Where is carbon found around Earth?

Carbon is found in the ________ (a place where something is kept and stored) around Earth.

• the atmosphere

• the ocean

• the mantle

• the core

Which of the following is a reservoir where carbon is found?

• Atmosphere

• Oceans

• Rocks, soil, minerals

• All of the above

Carbon can be found in living organisms. True or False?

• True

• False