TN Ready Carbon Cycle

Which one of these does not add CO2 to the atmosphere?

• cooking with gas

• planting trees

• burning wood

• riding in a bus

How does the carbon in grass become part of a lion?

• The lion eats the grass

• Carbon from grass doesn't end up in a lion. 

• The carbon ends up in the lion's food chain. 

• The lion breathes in carbon given out by the plant

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following removes carbon from the atmosphere?

• Combustion

• Respiration

• Photosynthesis

• Death

Tags

NGSS.MS-LS1-6

If the plant population decreased, the amount of carbon would _________.

• Stay the same

• Increase

• Decrease

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following processes can maintain the level of carbon dioxide in the atmosphere?

• Photosynthesis

• Respiration

• Combustion

• ALL OF THEM

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does the human body return carbon to the atmosphere in the carbon cycle?

• Waste products

• Photosynthesis

• Cellular respiration

• Formation of glucose

In the carbon cycle, animals can release carbon back into the cycle through __________ or through __________.

• burning . . . photosynthesis

• fixation . . . decomposition

• decomposition . . . photosynthesis

• respiration . . . decomposition

• respiration . . . photosynthesis

Tags

NGSS.MS-LS2-3

Organisms that do not decompose naturally can be buried and become what?

• oxygen

• nutrients

• calcium carbonates

• fossil fuels

If the plant population decreased, the amount of carbon dioxide in the atmosphere would _________.

• Stay the same

• Increase

• Decrease

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

If a forest fire occurs, what will happen to the carbon in the forest?

• It will go into the soil

• It will go into the atmosphere

• It will runoff into nearby streams and rivers

• It will be destroyed

Tags

NGSS.MS-LS2-3