HS-ESS2-4

Use a model to describe how variations in the flow of energy into and out of Earth systems result in changes in climate.

More Stories in HS-ESS2-4

  1. Earth

    This ‘megaflash’ is now the longest lightning bolt on record

    A reanalysis of satellite data showed that a 2017 Texas-to-Missouri lightning megaflash stretched 829 kilometers (515 miles) and lasted 7.39 seconds.

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  2. Earth

    Explainer: Sprites, jets, ELVES and other storm-powered lights

    Fleeting glows collectively known as “transient luminous events” flash in the skies above powerful lightning storms.

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  3. Climate

    Warmer seas trigger skyrocketing ice loss in 3 Antarctic glaciers

    Destabilized by waves and vanishing sea ice, one of the glaciers lost 25 kilometers (15.5 miles) of ice in 16 months — a possible hint of worse to come.

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  4. Physics

    Scientists Say: Coriolis Effect

    Because Earth spins, airborne objects traveling far and fast — such as airplanes — experience deflections in their motion.

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  5. Oceans

    Explainer: Why are so many hurricanes strengthening really fast?

    This dangerous trend appears relatively new — and growing. Studies also have begun linking it to our warming world.

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  6. Earth

    The sun shines brightest in South America’s Atacama Desert

    Solar rays in this high-altitude desert at times rival the light intensity on Venus.

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  7. Earth

    A volcanic eruption sparked the highest lightning ever seen

    The eruption plume spawned lightning that started 20 to 30 kilometers (some 12 to 19 miles) above sea level.

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  8. Climate

    Explainer: What is an atmospheric river?

    These long-traveling storm systems bring moisture to many parts of the world. Here’s what scientists are learning about them.

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  9. Earth

    Under the ice, a hidden lake hints at its origin — and coming end

    Lake Mercer may serve as a model for better understanding the birth and life of Antarctica’s hundreds of subglacial lakes.

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