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

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What is a renewable resource?

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A natural resource that can be replaced at the same rate it is consumed.

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What are natural resources?

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Resources that exist without human intervention.

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What is an effect?

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A change that happens because of an action.

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What is a positive impact of a dam?

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It generates electricity without the pollution associated with burning fossil fuels.

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How is geothermal energy extracted?

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This underground heat can be pumped directly to buildings or used to turn turbines that produce electricity.

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What is a nonrenewable resource?

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A natural resource that cannot be replaced once it is consumed.

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What is pollution?

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The introduction of harmful substances or products into the environment.

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What is the difference between renewable and nonrenewable resources?

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Renewable resources can be replenished naturally, while nonrenewable resources cannot.

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What is an example of a natural resource?

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Water, minerals, forests, and fossil fuels.

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What is the impact of human activities on natural resources?

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Human activities can lead to depletion, pollution, and degradation of natural resources.