1/9/26 Carbon Cycle and Matter Quiz

What element is the main focus of the cycling of matter in this unit?

• Oxygen

• Nitrogen

• Carbon

• Hydrogen

According to the slides, which statement is true about carbon in living things?

• Carbon is rare in living organisms

• Carbon only exists in plants

• Carbon makes up much of living matter

• Carbon is only found in the air

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Match each ecosystem part to whether it is living or nonliving.

• Living

• Tree leaf

• Living

• Rock

• Nonliving

• Dead leaf

• Nonliving

• Fish

• Nonliving

• Soil

Tags

NGSS.MS-LS2-3

What happens to carbon when an organism dies?

• It disappears

• It turns into water

• It is returned to the soil through decomposition

• It becomes oxygen

Tags

NGSS.MS-LS2-3

Which process moves carbon from living organisms into the air?

• Photosynthesis

• Respiration

• Diffusion

• Decomposition

Put the steps in the correct order for how carbon moves during respiration.

• Carbon is in food

• Carbon becomes CO₂

• CO₂ is released into the air

• Food is broken down for energy

Tags

NGSS.MS-LS1-7

Fill in the blank. Carbon dioxide is the waste product of respiration.

(a)  

Tags

NGSS.MS-LS2-3

Why can too much carbon dioxide cause Earth to warm?

• CO₂ destroys oxygen

• CO₂ traps heat in the atmosphere

• CO₂ blocks sunlight

• CO₂ turns into methane

Tags

NGSS.MS-ESS3-5

Drag each process to its effect on carbon.

• Adds carbon to air

• Decomposition →

• Moves carbon into soil

• Respiration →

• Removes carbon from air

• Photosynthesis →

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

How does photosynthesis help balance respiration?

• It releases more CO₂

• It destroys carbon

• It removes CO₂ from the air

• It stops respiration

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6