Elevate Science 5th Grade Topic 5 Human Impact on Earth's System

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What is natural gas?

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A nonrenewable fossil fuel that is flammable.

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What is pollution?

Back

The presence of substances in the environment that are harmful to humans and other organisms.

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What does it mean to reduce in terms of conservation?

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To use fewer resources, such as riding a bike instead of driving a car.

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How do renewable resources differ from nonrenewable resources?

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Renewable resources can be replaced as quickly as people use them, while nonrenewable resources are not made fast enough to replace what is used.

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What is an example of a human activity that preserves nonrenewable resources?

Back

Recycling.

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What are renewable resources?

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Resources that can be replenished naturally over time, such as solar energy and wind.

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What are nonrenewable resources?

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Resources that cannot be replaced once they are used up, such as fossil fuels and minerals.

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What is conservation?

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The careful use of resources to prevent depletion and protect the environment.

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What is an example of a renewable resource?

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Solar energy.

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What is an example of a nonrenewable resource?

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Coal.