Carbon Cycle and Humans

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

• Water
• Atmosphere
• Sun
• Air

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

• cooking with gas
• planting trees
• burning wood
• riding in a bus

Combustion is another word for _______________.

• a train
• a bus
• a dog
• burning

What does not produce carbon dioxide?

• Photosynthesis
• Burning Fossil Fuels
• Animal respiration
• Plants decaying

Tags

NGSS.MS-LS1-6

How do living organisms return carbon to the atmosphere in the carbon cycle?

• respiration and photosynthesis
•  decomposition and respiration

In the carbon cycle, producers take in the gas __

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

Tags

NGSS.MS-LS1-6

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

In what process is Carbon transformed into chemical energy?

• Photosynthesis
• Respiration
• Primary Production
• Secondary Production

Tags

NGSS.MS-LS1-6

Why is the increase of Greenhouse gasses a big issue?

• It causes climate change and increase in the global temerature 
• It can lead to a major increase in Greenhouses 
• It leads to more factories
• It causes a major decrease in people

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

This process keeps Earth's temperature suitable for life.

• Convection Currents
• Greenhouse Effect
• Albedo Effect
• Water Cycle

Tags

NGSS.MS-ESS2-4