Recycling of Matter

The cycling of matter is important because

• Matter can be created and destroyed

• Only a limited amount of matter is available so it has to be recycled

• Matter can only be found in a solution

• Bacteria use matter to convert organisms into solar energy

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

What is this a picture of?

• Nitrogen cycle

• carbon cycle

• water cycle

• plant cycle

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NGSS.MS-ESS2-4

What is this called?

• Food Web

• Food Chain

• Abiotic Factors

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NGSS.MS-LS2-3

Organisms that break down wastes and dead organisms and return the raw materials to the environment

• Producer

• Consumer

• Decomposer

What is the primary role of decomposers in the recycling of matter?

• Breaking down dead organisms to release nutrients

• Producing energy through photosynthesis

• Consuming living plants and animals

• Storing energy in the form of fat

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NGSS.MS-LS2-3

Which of the following processes is essential for the recycling of nitrogen in ecosystems?

• Photosynthesis

• Nitrogen fixation

• Evaporation

• Condensation

In the carbon cycle, which process is responsible for removing carbon dioxide from the atmosphere?

• Respiration

• Combustion

• Photosynthesis

• Decomposition

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NGSS.MS-LS1-6

Which of the following is a real-world application of the recycling of matter?

• Using compost to enrich soil

• Burning fossil fuels for energy

• Mining for new minerals

• Producing synthetic plastics

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NGSS.MS-LS2-3

What is the significance of the water cycle in the recycling of matter?

• It provides a continuous supply of fresh water

• It prevents the formation of clouds

• It stops the flow of rivers

• It eliminates the need for oceans

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NGSS.MS-ESS2-4