HS-ESS2-5
Plan and conduct an investigation of the properties of water and its effects on Earth materials and surface processes.
- 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.
- 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.
- Chemistry
Concrete science
Teen researchers are exploring ways to strengthen this building material, use it for safety purposes and use its discarded rubble.
- 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.
- Climate
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.
- Earth
Explainer: What is a tsunami?
Earthquakes and landslides can create huge waves that travel across oceans.
- 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.
- 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.
- Earth
Intel STS finalist takes on arsenic poisoning
Concerned about arsenic poisoning in Bangladesh, Intel Science Talent Search finalist Thabit Pulak invented an affordable filter to help people remove this toxic pollutant from their drinking water.
- Earth
Explainer: Antarctica, land of lakes
There are many, although they tend to be buried under rivers of ice.
- Earth
Big rocks’ balancing acts
Scientists study how balanced boulders resist falling over — and what that may say about earthquakes.
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