Natural Resources 2 Quick Check

Natural Resources are

• Materials that are found on Earth that people use. 
• Rocks that contain metal
• Resources that are continually being replaced and will not run out.
• Resources that cannot be replaced quickly enough to keep from running out. 

Which is a Natural Resource

• Sunlight
• Computers
• Cars
• Roofs

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Why are trees a natural resource?

• The leaves are green
• We use them to make paper, lumber, and other products.
• They are beautiful
• They grow back after they are cut down.

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The _____________ the human population, the ______________ the amount of resources being used.

• greater, greater

• greater, least

• least, greater

• least, least

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How does population growth affect natural resources?

• The more people on the planet, the less natural resources that are available for each person.

• The less people on the planet, the less natural resources that are available for each person.

• The more people on the planet, the more natural resources that are available for each person.

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The pictures show a forest before and after deforestation, a process where many trees are cut down.

Which of the following best explains why trees are called a renewable resources?

• If a tree is cut down, a new tree can be planted in its place.

• If a tree is cut down, the animals that depended on the tree will help the tree grow back.

• Only humans use trees, so tree populations will never fall below the number that are needed.

• Only paper is made from trees, so the tree population will never run out.

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Resources that are not able to be reproduced as quickly as they are used are called _____.

• renewable resources

• replaceable resources

• non renewable resources

• non replaceable resources

Geothermal energy uses heat from ____ to produce electricity.

• the earth

• coal

• oil

• natural gas

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Renewable resources ...

• are not replaceable

• are used more frequently than non renewables

• are never going to run out

• going to run out

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What are fossil fuels?

• coal, oil, uranium

• oil, natural gas, uranium

• coal, oil, natural gas

• geothemals, coal, natural gas

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