Unit 3 - Sustainable Resources & Water Management

What is the difference between a nonrenewable and a renewable energy source?

• Renewable energy sources are more expensive than nonrenewable sources.
• Nonrenewable energy sources are finite, while renewable energy sources are naturally replenished.
• Nonrenewable energy sources are always cleaner than renewable sources.
• Renewable energy sources are not affected by climate change.

Which of the following are NONrenewable energy sources?

• Solar power
• Wind energy
• Hydropower
• Oil

• Natural gas

What is a major concern about relying on a nonrenewable energy source?

• Long-term sustainability and minimal pollution
• Decreased cost and increased efficiency
• Unlimited availability and positive environmental impact
• Finite availability and environmental impact

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NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

What is an ecological footprint?

• the amount of food a person eats, specifically meat and other animal products

• the amount of freshwater water used in a household and sewage generated

• the amount of land required to sustain their use of natural resources

What is sustainability?

• Prioritizing short-term gains over long-term sustainability
• Using up all available resources quickly
• Ignoring the impact of human activities on the environment
• Meeting current needs without compromising future generations' ability to meet their own needs.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

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Is water renewable?

• No

• Yes

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NGSS.MS-ESS2-4

If water is renewable, why do we need to be careful with our use of freshwater? Select ALL that apply.

• Freshwater is not essential for human survival
• Very little of the earth's water is freshwater

• Very little of the earth's freshwater is accessible

• It takes time for water to go through the water cycle

• Pollutants and sewage contaminate existing freshwater

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NGSS.MS-ESS2-4

Why is freshwater not available to everyone equally? Select ALL that apply.

• climate change

• pollution

• infrastructure limitations

• socio-economic disparities

• geographical location

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NGSS.HS-ESS3-1

In most regions of the world, over ___ percent of freshwater is used for agriculture.

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NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

What happens to wastewater in a grit tank?

• Lighter materials sink to the bottom
• Wastewater is purified instantly
• Grit evaporates into the air
• Grit settles to the bottom and lighter materials float to the top.