Carbon Cycle

In the nonliving environment, carbon exists as a gas in _____.

• cells
• geosphere
• atmosphere

Earth has a fixed amount of _____.

• trees
• carbon
• carbon dioxide

Carbon enters the living world through the process of _____.

• photosynthesis
• respiration
• combustion
• decomposition

Tags

NGSS.MS-LS1-6

Burning fossil fuel has which effect in the carbon cycle?

• It removes carbon dioxide from the atmosphere.
• It puts carbon dioxide under the ground.
• It adds carbon dioxide to the atmosphere.
• It has no effect in the carbon cycle.

Tags

NGSS.MS-ESS2-1

Which process takes carbon dioxide out of the atmosphere?

• respiration
• combustion
• decomposition
• photosynthesis

Tags

NGSS.MS-LS1-6

When humans EXHALE, we release ____________________.

• Oxygen

• Nitrogen

• Water

• Carbon Dioxide

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-7

Which of the following are fossil fuels?

• Coal, Water, Oil

• Oxygen, Coal, Oil

• Coal, Oil, Natural Gas

• None of these

Tags

NGSS.MS-ESS3-1

Where can you find carbon?

• Only in the Earth's atmosphere.

• Inside all water molecules.

• Inside the sun.

• Inside every living thing on Earth.

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Why does too much carbon dioxide in the atmosphere cause climate change?

• It cools our planet.

• Blocks out UV rays.

• Lets light escape.

• Traps heat and warms the planet.

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS2-4

How is the burning of fossil fuels related to global warming?

• Magic
• Fuels are hot
• Greenhouse effect
• Photosynthesis

Tags

NGSS.MS-ESS3-5

NGSS.MS-ESS3-4