HS-ESS2-5

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

  1. Physics

    Explainer: Winds and where they come from

    Temperature and pressure are critical factors affecting why the wind blows where it does. Understanding the nature of wind can teach us a lot about weather.

    By
  2. Earth

    Antarctic ice shelf sheds Delaware-sized iceberg

    Larsen C is a major ice shelf in Antarctica. An iceberg the size of Delaware has just splintered off of it in one of the largest calving events ever recorded.

    By
  3. Tech

    Teen’s invention can warn of deadly rip currents

    A teen lifeguard from Australia has invented a buoy that can alert swimmers to the strong, swift and deadly rip currents that can sweep them dangerously far offshore.

    By
  4. Environment

    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.

    By
  5. Climate

    Cool Jobs: Wet and wild weather

    How’s the weather? Forecasts rely on scientists and engineers who collect and interpret data gathered on the ground, in the sky and way up in space.

    By
  6. Earth

    Scientists Say: Hoodoo

    When softer rocks are covered with a harder rock layer, weathering can wear away the softer stone. This will leave behind tall thin towers — hoodoos.

    By
  7. Tech

    Concrete science

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

    By
  8. Earth

    Carbon dioxide could explain how geysers spout

    A new study overturns 150 years of thinking about Yellowstone’s geysers. Carbon dioxide, not just hot water, may be driving those spectacular eruptions.

    By
  9. Oceans

    Arctic ice travels fast, carrying pollution

    Climate change is melting old sea ice in the Arctic. Now, younger, thinner ice is migrating far and fast, taking pollutants with it.

    By
  10. Oceans

    Explainer: What is a tsunami?

    Earthquakes and landslides can create huge waves that travel across oceans.

    By
  11. Physics

    Bracing sand sculptures with gravity

    Natural sculptures of sandstone withstand strong winds and rains. The reason, a new study concludes: Gravity holds the sand grains together.

    By
  12. Earth

    Explainer: Telling a tsunami from a seiche

    Waves that hit coastlines with ferocious power, tsunamis are one of the planet’s most devastating forces of nature. And seiches: They’re tsunamis little, but still potentially deadly, cousins.

    By