HS-ESS2-3

Develop a model based on evidence of Earth's interior to describe the cycling of matter by thermal convection.

  1. Earth

    Rock rising from below the Atlantic may drive continents apart

    Molten rock rising from the deep mantle at the Mid-Atlantic Ridge may drive plate tectonics there more than had been expected.

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  2. Chemistry

    Extreme pressure? Diamonds can take it

    Diamond retains its structure even at extreme pressures, which could reveal how carbon behaves in the cores of some exoplanets.

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  3. Earth

    Explainer: What are aerosols?

    We may not see them, but tiny particles and droplets cloud the air, affecting its properties. Some may be pollutants, others all-natural products.

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  4. Earth

    Did rain put the Kilauea volcano’s lava-making into overdrive?

    Scientists share strongly conflicting opinions about why Hawaii’s Kilauea volcano spewed an overabundance of lava in 2018.

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  5. Earth

    Explainer: Earth — layer by layer

    Explore the sizzling heat, unimaginable pressures — and some surprise diamonds — that sit beneath our feet. This is the side of Earth that you can’t see.

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  6. Earth

    How long will Kilauea’s new eruption last?

    A government volcano expert answers burning questions about the ongoing Kilauea eruption.

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  7. Physics

    Explainer: What is thundersnow?

    Wacky weather produced lots of thundersnow during New England’s recent winter storms. Some scientists now suspect Mother Nature got some human help.

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  8. Earth

    To study a geyser, these teens built their own

    Fascinated by geysers but unable to see one? These teens decided to build their own. It allowed them to study how temperature and pressure make the water spew into a founta.

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  9. 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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  10. Earth

    Seafloor hosts surprising number of deep-sea vents

    A new sensor detects changes in seawater chemistry and finds far more ecosystem-supporting seafloor vents than scientists had believed were out there.

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  11. Earth

    Cool Jobs: Mapping the unknown

    Scientists find different ways of exploring places humans will never visit — and drawing maps to help us better understand such mysterious places.

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  12. Earth

    Mystery ‘earmuffs’ sit deep inside Earth

    Two vast blobs in Earth’s lower mantle could result from a “trainwreck” of ancient colliding tectonic plates.

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