Cycles and Energy Flow

What happens to carbon dioxide levels in the atmosphere when we burn fossil fuels?

• carbon dioxide levels in the atmosphere rise

• carbon dioxide levels in the atmosphere fall

• carbon dioxide levels in the atmosphere stay the same

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NGSS.MS-ESS3-4

Identify the cycle pictured.

• The Water cycle

• The Carbon cycle

• The Nitrogen cycle

• The Phosphorus cycle

How is the sun a part of a food chain?

• it is eaten

• it is the energy source

• it feeds animals

• it tastes good

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does matter move among the living and nonliving parts of an ecosystem?

• matter is recycled within and between ecosystems

• one-way flow of energy

• two-way flow of energy only

• three-way flow of energy only

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

• respiration and photosynthesis

•  decomposition and respiration

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NGSS.HS-LS2-5

What is our role in the carbon cycle? 

• We are made of carbon. 

• We release it into the atmosphere when we breathe. 

• We release it into the atmosphere when using fossil fuels. 

• All of the above. 

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NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

When animals break down glucose to create energy, they release water and carbon dioxide (CO2.) How can carbon dioxide (CO2) be reused within the food web?

• It can be used by animals as a source of oxygen.

• It can be used by both plants and animals to produce energy.

• It can be used by plants during photosynthesis to create glucose.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which shows the correct flow of energy through this simple food chain?

• fox → grass → rabbit

• grass → fox → rabbit

• grass → rabbit → fox

• rabbit → grass → fox

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NGSS.MS-LS2-3

What is the energy source for the carbon dioxide cycle?

• plants

• the Sun

• respiration

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NGSS.MS-LS1-6

Which best describes the role plants serve in the oxygen cycle?

• They absorb oxygen during photosynthesis.

• They absorb oxygen during decomposition reactions.

• They release oxygen as a waste product of photosynthesis.

• They release oxygen as a waste product in cellular respiration.

Tags

NGSS.MS-LS1-6