Exploring the Carbon Cycle

Which of the following gases is the most abundant in Earth's atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Argon

What is the process called when plants take in carbon dioxide and release oxygen?

• Respiration

• Photosynthesis

• Combustion

• Decomposition

Tags

NGSS.MS-LS1-6

Which of the following is a greenhouse gas that contributes to the warming of Earth's atmosphere?

• Helium

• Methane

• Neon

• Hydrogen

Tags

NGSS.MS-ESS3-5

In which sphere of Earth does carbon exist in the form of carbon dioxide gas?

• Lithosphere

• Hydrosphere

• Atmosphere

• Biosphere

Tags

NGSS.MS-LS1-6

What is the term for the movement of carbon from the atmosphere into plants and then into animals?

• Carbon Sequestration

• Carbon Cycle

• Carbon Fixation

• Carbon Emission

Tags

NGSS.MS-LS2-3

Which process releases carbon dioxide back into the atmosphere from living organisms?

• Photosynthesis

• Respiration

• Evaporation

• Precipitation

What is the chemical formula for carbon dioxide?

• CO

Tags

NGSS.MS-PS1-1

Which of the following processes is responsible for the release of carbon from fossil fuels into the atmosphere?

• Photosynthesis

• Combustion

• Decomposition

• Sedimentation

What role do oceans play in the carbon cycle?

• They are a source of carbon emissions.

• They absorb carbon dioxide from the atmosphere.

• They do not interact with carbon.

• They only release carbon dioxide.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is NOT a way carbon is stored on Earth?

• In the atmosphere as carbon dioxide

• In rocks as limestone

• In the ocean as dissolved carbon

• In the sun as solar carbon