Carbon Cycle

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.

Which process takes carbon dioxide out of the atmosphere?

• respiration

• combustion

• decomposition

• photosynthesis

In this diagram, how many ways can carbon be removed from the atmosphere?

• one

• two

• three

• four

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

• True
• False

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

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

• water
• nutrients
• air
• fossil fuels

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Which describes the relationship between plants and animals in the carbon cycle?

• Animals release carbon dioxide that plants need.

• Plants release carbon dioxide that animals need

• Animals release oxygen that plants need

• Animals produce oxygen that plants turn into carbon dioxide

When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.

• Ground

• Atmosphere

• Sun

• Ocean

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

• Stay the same

• Increase

• Decrease

What is an example of a carbon reservoir?

• The atmosphere

• Fossil fuels

• Organisms

• All of the above

Plants use ____________________ to make their own food.

• Carbon Dioxide

• Oxygen

• Materials

• Gravity

Tags

NGSS.MS-LS1-6