Carbon Cycle Quiz

Which of the following processes decreases the amount of carbon dioxide in the atmosphere?

• factories burning fossil fuels

• photosynthesis

• erosion

• 

Photosynthesis

• absorbs CO₂

• releases CO₂

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

TRUE or FALSE?
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-LS2-3

NGSS.MS-LS4-1

Which of the following are examples of the combustion of fossil fuels? (Select all that apply...)

• 
• 
• 
• 

Tags

NGSS.MS-ESS3-4

During respiration, carbon moves from ________ to ________.

• plant;animal
• plant;sky
• animal;sky
• sky;animal

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

• Water
• Atmosphere
• Sun
• Air

Tags

NGSS.HS-ESS2-6

Which is a true statement?

• Humans depend on oxygen, plants depend on carbon dioxide

• Plants produce carbon dioxide

• Humans depend on carbon dioxide, plants depend on oxygen

• Humans don't depend on plants for the air they need

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Plants use ____________________ to make their own food.

• Carbon Dioxide

• Oxygen

• Materials

• Gravity

Tags

NGSS.MS-LS1-6

Carbon dioxide is created by 

• Burning fossil fuels 
• Cellular respiration
• Decomposing organic matter
• All answers are correct