MS-ESS2-2
Construct an explanation based on evidence for how geoscience processes have changed Earth's surface at varying time and spatial scales.
- Earth
Explainer: Ice sheets and glaciers
Ice sheets and glaciers give scientists clues about climate change.
By Douglas Fox - Earth
Explainer: Antarctica, land of lakes
There are many, although they tend to be buried under rivers of ice.
By Douglas Fox - Earth
Big rocks’ balancing acts
Scientists study how balanced boulders resist falling over — and what that may say about earthquakes.
By Douglas Fox - Earth
Tsunami’s trek traced in the sky
Scientists photograph atmospheric ripples that followed the March tsunami across the Pacific.
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- Earth
Digging into a tsunami disaster
A powerful earthquake under the Indian Ocean changed Earth's surface and spin.
By Emily Sohn - Earth
Ancient heights
Leaf fossils can help track the rise and fall of mountain ranges.
By Emily Sohn - Earth
A volcano wakes up
Earthquakes, small eruptions, and a new lava dome unsettle Mount St. Helens.
- Earth
Distant quake changes geyser eruptions
An Alaskan earthquake changed the timing of geysers thousands of miles away.
By Emily Sohn