Human Activity and Earth's System

Jesse is investigating what happens to the items pictured when they are buried in the soil for six months. He found that one of the items broke down and became part of the soil while the other two items did not.

How can Jesse use his findings to encourage people to recycle? Select the two statements that apply.

• He can show that fruit pollutes the soil and is harmful to organisms if it is not recycled.

• He can use the metal can to show that trash containing metal does not break down and will stay in the environment a long time if it is not recycled.

• He can explain that plastic does not break down and will stay in the environment a long time if it is not recycled.

• He can explain that metal and plastic will only break down if they are buried with fruit.

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NGSS.MS-LS2-3

Human activities can have an impact on Earth’s systems.

How does building a large dam affect some or all of Earth’s systems?

• Building a dam generates more electricity.

• Building a dam increases the amount of fresh drinking water.

• Building a dam impacts wildlife that depend on the natural flow of water.

• Building a dam increases recreational activities.

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NGSS.MS-ESS3-4

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A city council is looking for ways to help their city reduce its impact on Earth’s systems. Which of these plans would be most effective?

• Increase the size of the city landfill.

• Provide recycling bins to business owners.

• Create a bike-sharing program.

• Build a factory within the city limits.

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How does a bus efficiently use energy resources?

• The bus does not use fossil fuels.

• The bus uses fossil fuels, but it transports many children at one time.

• The bus does not produce exhaust

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What are two things that you can do to reduce your impact on the environment?

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Miguel and Simone are leading a conservation information session at their school.

They want to persuade school officials to help in the effort to protect Earth’s systems.

In what ways can the school help to protect Earth’s systems? Select the two that apply.

• School officials can remove all drinking fountains and offer students free bottles of water.

• School officials can purchase products made of recycled materials.

• School officials can schedule an extra trash pickup day to prevent trash from collecting in the dumpster.

• School officials can install a green roof on the school building to reduce the use of nonrenewable energy.

Tags

NGSS.MS-ESS3-4

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What does the pre-fix "Geo" mean?

• life

• ground

• water

• air

How does the biosphere and the hydrosphere interact?

• these are the only two systems that do not interact

• all living things need air

• all living things need water

• all living things need life

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NGSS.MS-ESS2-4

What does the prefix bio- mean in Science?

• 2 (two)

• the study of bug

• life

• true story

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Contrary to popular belief, climate change is real! Which system does climate change belong to?

• The Earth

• Geosphere

• Nanosphere

• Atmosphere

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NGSS.MS-ESS3-4

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