MS-ESS2-3
Analyze and interpret data on the distribution of fossils and rocks, continental shapes, and seafloor structures to provide evidence of the past plate motions.
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Earth
Study appears to rule out volcanic burps as causing dino die-offs
New data on when massive volcanic eruptions happened do not match when the dinosaur mass extinction took place.
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Earth
Explainer: 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.
By Beth Geiger -
Earth
Explainer: Understanding geologic time
Geologic time is unimaginably long. Geologists puzzle it out using a calendar called the Geologic Time Scale.
By Beth Geiger -
Earth
Scientists Say: Continent
A continent is a large land mass. Geologists recognize six of them — Africa, Antarctica, Eurasia, Australia, North America and South America.
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Earth
Cool 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.
By Ilima Loomis -
Fossils
Clues to the Great Dying
Millions of years ago, nearly all life on Earth vanished. Scientists are now starting to figure out what happened.
By Beth Geiger -
Oceans
Explainer: What is a tsunami?
Earthquakes and landslides can create huge waves that travel across oceans.
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Earth
Nepal earthquake offers hints of worse to come
The magnitude 7.8 earthquake that crumbled much of Nepal’s capital city could be overshadowed by larger future earthquakes along the Himalayas, scientists say.
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Earth
Explainer: Understanding plate tectonics
Plate tectonics is the process whereby Earth continually rebuilds itself — and causes destructive events like earthquakes and volcanic eruptions.
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Earth
Ancient ocean linked to supercontinent’s breakup
The supercontinent Pangaea started breaking apart 200 million years ago. This may have been triggered by the shrinking of the Tethys Ocean, a new study finds.
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Earth
How people have been shaping the Earth
We are the dominant force of change on Earth. Some experts propose naming our current time period the ‘Anthropocene’ to reflect our impact.
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Earth
Explainer: The volcano basics
Here’s an overview of what they are, where they form and the many ways they pose dangers.
By Sid Perkins