Greenhouse Effect and Carbon Cycle

Why does too much carbon dioxide in the atmosphere cause climate change?

• It cools down our planet.
• It blocks out UV rays.
• It traps heat and warms up our planet.
• It lets sunlight escape.

Tags

NGSS.MS-ESS3-5

The main human activity that adds to an individual's carbon footprint.

• usage of alternative energies (wind, solar, etc)

• respiration and growth

• photosynthesis by plants

• usage of fossil fuels for energy

Which process(es) release carbon dioxide into the atmosphere?

• respiration

• combustion

• photosynthesis

• feeding

Which process(es) take carbon dioxide out of the atmosphere?

• respiration

• combustion

• photosynthesis

• feeding

What type of organism receives carbon present in dead plants and animals?

• producer

• primary consumer

• secondary consumer

• decomposer

Which of the following is/are greenhouse gases?

• carbon dioxide

• water vapour

• methane

• nitrogen

Which of the following is true of The Greenhouse Effect?

• It is a completely natural process

• It is an artificial process that has been naturally speeded up by humans

• It is a natural process that has been artificially speeded up by humans

• It is a completely artificial process

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.HS-ESS2-6

The diagram shows the flow of organic molecules through an ecosystem. What two processes are identified by the labels X and Y?

• X : Respiration
  Y : Predation
• X : Adaptation
  Y : Decomposition
• X : Fermentation
  Y : Nitrogen Fixation
• X : Decomposition
  Y : Respiration

Tags

NGSS.MS-LS2-3