HS-ESS3-2

Evaluate competing design solutions for developing, managing, and utilizing energy and mineral resources based on cost-benefit ratios.

More Stories in HS-ESS3-2

  1. Earth

    Helium discovery blows away shortage worries

    Fears that the world may soon run out of helium have been set aside for now by the finding of a huge reservoir of the gas in East Africa.

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  2. Tech

    Concrete science

    Teen researchers are exploring ways to strengthen this building material, use it for safety purposes and use its discarded rubble.

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  3. Computing

    ‘Couch potatoes’ tend to be TV-energy hogs

    Many government programs urge people to save electricity by using more efficient TVs. Here’s why these programs should target “couch potatoes.”

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  4. Health & Medicine

    Cool Jobs: Finding foods for the future

    What's for dinner... tomorrow? Scientists are developing new foods to meet the demands of the growing population in a changing world.

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  5. Chemistry

    Chemistry: Green and clean

    “Green” means environmentally friendly and sustainable. Green chemistry creates products and processes that are safer and cleaner — from the start.

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  6. Agriculture

    Your food choices affect Earth’s climate

    Producing food can put a lot of climate-warming pollutants into the atmosphere. But some foods, especially meats, contribute more than others.

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  7. Tech

    The road less worn

    Two teens have found a new use for old tires. By grinding them up and adding them to asphalt, the old rubber can create stronger, longer-lived roads. And the bonus: The process recycles tires that might otherwise have been burned, creating pollution.

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