Carbon Cycle Gizmo

How does increasing plant biomass (amount of plants) affect atmospheric CO2?

• Decreases it

• Increases it

• It has no effect

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does increasing oceanic CO2 affect atmospheric CO2?

• Decreases it

• Increases it

• It has no effect

Tags

NGSS.HS-ESS2-6

what fossil fuel usage will result in no change in atmospheric CO2 each year?

• 9 GtC

• 4 GtC

• 5 GtC

• 69 GtC

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

Suppose the inputs and outputs to the atmospheric carbon reservoir each year were as shown below. How much carbon would the atmosphere contain in ten years?

• 780 GtC

• 790 GtC

• 810 GtC

• 820 GtC

Tags

NGSS.MS-ESS2-1

What process does the purple arrow indicate?

• Respiration

• Photosynthesis

• Combustion

• Decomposition

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following processes add methane (CH4) to the atmosphere?

• Breakdown of plant and animal remains in the soil.

• Leakage from natural gas pipelines.

• Food digestion by land animals.

• All of these

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

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

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

• Waste products

• Photosynthesis

• Cellular respiration

• Formation of glucose

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

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