Carbon Cycle

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

• Water

• Atmosphere

• Sun

Combustion is another word for _______________.

• a train
• a bus
• a dog
• burning

Tags

CCSS.RI.11-12.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RL.11-12.4

CCSS.RL.9-10.4

What does NOT produce carbon dioxide?

• Photosynthesis

• Burning Fossil Fuels

• respiration

• Plants decaying

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

• respiration and photosynthesis
•  decomposition and respiration

Tags

NGSS.HS-LS2-5

In the carbon cycle, producers (plants) take in the gas __

• carbon dioxide

• oxygen

• nitrogen

• carbon monoxide

In what process is Carbon transformed into chemical energy?

• Photosynthesis
• Respiration
• Primary Production
• Secondary Production

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-5

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

• cooking with gas

• planting trees

• burning wood

• riding in a bus

Carbon dioxide is produced by the burning of fossil fuels

• True
• False

Tags

NGSS.HS-ESS2-6

Oxygen is a gas produced by ____ and used by ____.

• plants/phytoplankton; nearly all organisms

• photosynthesis; carbon dioxide

• animals; plants

• carbon dioxide; photosynthesis

Carbon dioxide is easily dissolved in water.

• True
• False

Tags

NGSS.HS-ESS2-5