MS-ESS2-2
Construct an explanation based on evidence for how geoscience processes have changed Earth's surface at varying time and spatial scales.
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EarthScientists Say: Anthropocene
Humans are changing the world in profound ways. Some scientists think those changes have launched a new epoch in Earth’s history: the Anthropocene.
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EarthGreece’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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EarthRock rising from below the Atlantic may drive continents apart
Molten rock rising from the deep mantle at the Mid-Atlantic Ridge may drive plate tectonics there more than had been expected.
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EcosystemsWhat you can do to improve soils
Soils are the life-sustaining structures under our feet. Here are some tips for keeping soils healthy. First rule of thumb: Give more than you take.
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ClimateSurprising long-haul dust and tar are melting high glaciers
Dust and tar blown onto high mountains, like the Himalayas, boost the melting of snow and ice far more than scientists had realized. Here’s why.
By Sid Perkins -
EarthScientists Say: Earthquake
An earthquake is a sudden and sometimes violent shaking of the ground.
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ClimateDid 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.
By Megan Sever -
ClimateExplainer: Why sea levels aren’t rising at the same rate globally
The ocean is rising all over the world. The rise seems speedier in some places. What gives? Many factors, it turns out, affect where — and why — the tide gets high.
By Katy Daigle and Carolyn Gramling -
ChemistryAsteroids may have delivered water to early Earth
Scientists shot mineral pellets at a simulated planet. It showed an impact wouldn’t have boiled off all of an asteroid’s water.
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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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ClimateExplainer: 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.
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EarthAntarctic 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.