The Carbon Cycle

The circulation of the element Carbon among Earth's atmosphere, land, oceans, and organisms is called _____________.

• the Carbon Cycle

• the Oxygen Cycle

• the Carbon dioxide Cycle

• the Water Cycle

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

Carbon is used in the process called __________ by plants and algae to make food and the building blocks for growth.

• carbon cycle

• life

• photosynthesis

• decomposition

Tags

NGSS.MS-LS1-6

Bacterias that decompose dead plants release _____________ back into the atmosphere.

• water

• nitrogen

• oxygen

• carbon

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

In the oceans; algae, plants, and other organisms use carbon from the atmosphere for ________________.

• respiration

• decomposition

• transpiration

• photosynthesis

Tags

NGSS.MS-LS1-6

Ocean coral and oysters use carbon to create _________.

• oxygen

• shells

• leaves

• food

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Over ________________ of years, once-living matter that remains in the ground can transform into fossil fuels.

• millions

• hundreds

• thousands

• a few handful

Tags

NGSS.HS-ESS2-6

Since the mid- 1800's, _____________ activity has significantly altered the carbon cycle.

• animal

• plant

• unknown

• human

Tags

NGSS.MS-ESS3-4

Burning fossil fuels has raised the concentration of ___________ in the atmosphere.

• oxygen

• rain

• carbon

• nitrogen

Tags

NGSS.HS-ESS2-6

All of the carbon in existence is continually recycled in the carbon cycle

• True
• False

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

Through the process of photosynthesis, plants take in ________________ to make ______________________.

• CO₂, O₂

• O₂, CO₂

• H₂O, CO₂

• H₂, O₂

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3