Carbon & Nitrogen Cycles

In what form does carbon return to the atmosphere after it is released from the burning of fossil fuels?

• oxygen

• water vapor

• carbon dioxide

• glucose

Tags

NGSS.HS-ESS2-6

Where does Photosynthesis get the carbon dioxide it needs?

• from photosynthesis

• from the water cycle

• from cellular respiration

• from the nitrogen cycle

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Beside Carbon Dioxide, what other gas is a greenhouse gas?

• water vapor

• nitrgoen gas

• carbon gas

• glucose

Which gas dissolves in the ocean and is used in Photosynthesis for aquatic plants?

• water vapor

• nitrogen gas

• carbon dioxide

• glucose

Tags

NGSS.MS-LS1-6

Which of the following statements is true about carbon and carbon dioxide?

• Carbon dioxide returns to the atmosphere as carbon in Photosynthesis.

• Photosynthesis returns carbon to the atmosphere as carbon dioxide.

• Cellular Respiration returns carbon to the atmosphere as carbon dioxide.

• none of the above

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

List three ways that cause carbon to be released into the atmosphere as carbon dioxide?

• burning of fossil fuels

• exhaling

• photosynthesis

• cellular respiration

How is carbon dioxide used in the ocean?

• It is used in Cellular Respiration.

• It is used in Photosynthesis.

• it is as food for the fish.

• None of the above.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

How much of our atmosphere is made up of nitrogen gas?

• 25%

• 55%

• 78%

• 95%

Nitrogen is important in the formation of _______. (Pick 3)

• proteins

• DNA

• glucose

• RNA

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

We can breathe in nitrogen from the air and use it just like we use oxygen.

• True

• False