Earth
Fin 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.
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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EarthExplainer: What are aerosols?
We may not see them, but tiny particles and droplets cloud the air, affecting its properties. Some may be pollutants, others all-natural products.
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EarthDid rain put the Kilauea volcano’s lava-making into overdrive?
Scientists share strongly conflicting opinions about why Hawaii’s Kilauea volcano spewed an overabundance of lava in 2018.
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EarthExplainer: Earth — layer by layer
Explore the sizzling heat, unimaginable pressures — and some surprise diamonds — that sit beneath our feet. This is the side of Earth that you can’t see.
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EarthHow long will Kilauea’s new eruption last?
A government volcano expert answers burning questions about the ongoing Kilauea eruption.
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PhysicsExplainer: What is thundersnow?
Wacky weather produced lots of thundersnow during New England’s recent winter storms. Some scientists now suspect Mother Nature got some human help.
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EarthTo study a geyser, these teens built their own
Fascinated by geysers but unable to see one? These teens decided to build their own. It allowed them to study how temperature and pressure make the water spew into a founta.
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EarthHelium discovery blows away shortage worries
Fears that the world may soon run out of helium have been set aside for now by the finding of a huge reservoir of the gas in East Africa.
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OceansSeafloor hosts surprising number of deep-sea vents
A new sensor detects changes in seawater chemistry and finds far more ecosystem-supporting seafloor vents than scientists had believed were out there.
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EarthCool Jobs: Mapping the unknown
Scientists find different ways of exploring places humans will never visit — and drawing maps to help us better understand such mysterious places.