Physics
Explainer: Radioactive dating helps solve mysteries
Knowing the decay rate of radioactive elements can help date ancient fossils and other artifacts.
By Trisha Muro
HS-ESS2-3
Develop a model based on evidence of Earth's interior to describe the cycling of matter by thermal convection.
More Stories in HS-ESS2-3
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Materials ScienceLet’s learn about diamond
Diamond is born under extreme heat and pressure inside Earth and elsewhere in the universe.
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EarthScientists Say: Fault
A fault is a crack in Earth’s crust where pieces of rock scrape past each other.
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EarthTiny gemstones show when Earth’s crust first started moving
Chemical hints observed in zircons suggest when the important process of plate tectonics first took off.
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EarthEl volcán de Santorini erupciona más cuando baja el nivel del mar
Los datos que demuestran esta relación entre las erupciones de este volcán griego y el nivel del mar se remontan al menos a 360,000 años.
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EarthVolcanic avalanches may be more destructive than previously thought
Pressures within these pyroclastic flows may be as much as three times as high as observations had suggested.
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EarthWhat can ‘silent earthquakes’ teach us about the next Big One?
Earthquakes usually last seconds. But sometimes, they can last days, or even years. Here’s what scientists are learning about these “slow-slip events.”
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PhysicsScientists Say: Convection
Convection is a process that transfers heat through the movement of liquid or gas.
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Earth
Greece’s Santorini volcano erupts more when the sea level drops
Data showing this association go back at least 360,000 years.
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EarthFin whales could help scientists map what lies below the seafloor
Fin-whale calls are loud enough to penetrate into Earth’s crust, offering scientists a new way to study the properties of the ocean floor.