HS-ESS2-5

Plan and conduct an investigation of the properties of water and its effects on Earth materials and surface processes.

More Stories in HS-ESS2-5

  1. Agriculture

    Scientists Say: Corn Sweat

    Cornfields release moisture into the air — or “sweat” — a couple of ways. One is evaporation. The other is transpiration.

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  2. Earth

    Clouds come in all shapes and sizes

    Here’s a basic breakdown of the different cloud types, as well as how clouds form and why they float.

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  3. Earth

    Let’s learn about rivers

    Rivers vary a lot in size and terrain, but all share a few basic features.

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  4. Environment

    Watch out: Hail can get really big!

    New data from hailstones suggest most of these icy chunks may not form the way scientists long thought.

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  5. Planets

    Mars’ rust suggests it was once wet — and its seas frigid

    Mars may once have held enough water to fill oceans and form coastlines. And the planet’s red dust hints that its seas would have been quite frigid.

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  6. Earth

    Scientists Say: Frost Quake

    When wet soil abruptly freezes, it creates high pressure underground. When the pressure releases, it can trigger a mini-earthquake called a frost quake.

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  7. Earth

    Surprise! The jet stream can trigger cloud formation

    Most cloud-seeding particles may come from a newly discovered mechanism — stratospheric intrusion.

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  8. Earth

    Many natural underground stores of freshwater are shrinking

    A lot of these aquifers are quickly disappearing due to climate change and overuse. Fortunately, there is growth in some of the world’s major aquifers.

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  9. Physics

    Before the ancient Egyptians, nature may have carved sphinxes

    Steady ‘winds’ can carve clay blobs into lion-shaped landforms called yardangs, a new study suggests. One such yardang may have inspired the Great Sphinx of Giza.

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