Carbon Cycle

What is carbon known as?

• The element of water

• The element of life

• The element of fire

• The element of air

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a carbon compound?

• H2O

• CO2

• NaCl

• O2

What is one purpose of the carbon cycle?

• Provides water and minerals

• Provides air and energy

• Provides light and sound

• Provides heat and electricity

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-ESS2-1

How does the carbon cycle help maintain the environment?

• By creating new species

• By maintaining a stable climate

• By increasing pollution

• By reducing biodiversity

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-ESS2-1

What do animals contribute to the carbon cycle?

• They absorb CO₂

• They release CO₂

• They produce oxygen

• They decompose matter

What happens to CO₂ during photosynthesis?

• It is released

• It is absorbed

• It is converted to nitrogen

• It is turned into methane

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is NOT needed for photosynthesis?

• Sunlight

• Water

• Soil

• Carbon Dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In the process of respiration, which gas is exchanged for oxygen in the lungs?

• Nitrogen (N2)

• Carbon dioxide (CO2)

• Helium (He)

• Methane (CH4)

In the carbon cycle, what happens during decomposition?

• Carbon dioxide is absorbed by plants

• Carbon is released from dead organisms

• Carbon dioxide is converted into oxygen

• Carbon is stored in fossil fuels

Tags

NGSS.MS-LS2-3

How does carbon dioxide enter the ocean in the carbon cycle?

• Through photosynthesis

• Through combustion

• Water dissolves CO₂

• Through respiration