MS-ESS2-4

Develop a model to describe the cycling of water through Earth's systems driven by energy from the sun and the force of gravity.

  1. Earth

    Plastic trash rides ocean currents to the Arctic

    Ocean currents can carry plastic trash far from the cities that shed it. Some plastic debris has made it all of the way to the Arctic Ocean, new data show.

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  2. Climate

    Arctic Sea could be ice-free by 2050

    Everyone contributes to the melting of Arctic sea ice, and all are in danger of making summer ice disappear there completely by 2050, a new study finds.

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  3. Climate

    Scientists Say: Albedo

    To measure how much light reflects off an object, scientists measure its albedo.

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  4. Chemistry

    Particles in air help fatten clouds’ water droplets

    Making their own clouds has shown scientists how the fattest water droplets form. Understanding this could lead to better forecasts of climate change.

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  5. Climate

    New El Niño coming on strong

    The current El Niño event could be a record breaker, changing weather patterns worldwide and bringing rain to drought-parched California.

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  6. Climate

    This umbrella ‘listens’ to rain — for science

    Scientists have developed an umbrella that ‘listens’ to falling raindrops. One day, a fleet of such simple rain gauges may help scientists better map weather patterns and changes in Earth’s water supplies.

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  7. Oceans

    Digging a trench to stop a tsunami

    Boyd Kane built his own wave tank to study tsunamis and how he might change the seafloor to stop their advance.

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  8. Climate

    Explainer: Why a tornado forms

    Tornadoes start with a thunderstorm. But they also require other ingredients, such as instability.

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  9. Climate

    Explainer: El Niño and La Niña

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  10. Climate

    Germy weather

    Bacteria high in the sky could be causing rain, snow and hail.

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  11. Earth

    Ice on the move

    Flowing glaciers help scientists study climate change.

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  12. Climate

    A dire shortage of water

    Parts of the southwestern United States are in the middle of the worst drought in at least 500 years.

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