HS-ESS2-2
Analyze geoscience data to make the claim that one change to Earth's surface can create feedbacks that cause changes to other Earth systems.
- Earth
The quake that shook up geology
North America’s biggest earthquake struck 50 years ago. Here’s what science has learned about Earth since the 1964 Great Alaskan Earthquake.
- Environment
Burning to learn
Fires cause billions of dollars of destruction to homes and forests every year. But not all fires are bad, especially for forests. With a better understanding of fire, scientists can both help people prevent dangerous fires — and identify which ones it would be better to let burn.
- Environment
Explainer: How and why fires burn
A fire’s colorful flame results from a chemical reaction known as combustion.
- Earth
Earthquake-triggered lightning?
An experiment with beads offers support for the claim that a rare type of lightning may accompany some quakes.
- Earth
Explainer: Ice sheets and glaciers
Ice sheets and glaciers give scientists clues about climate change.
- Chemistry
Explainer: Ocean acidification
Here’s why shellfish and other animals in the sea suffer when the ocean is forced to absorb too much carbon dioxide.
- Earth
Big rocks’ balancing acts
Scientists study how balanced boulders resist falling over — and what that may say about earthquakes.
- Earth
Tsunami’s trek traced in the sky
Scientists photograph atmospheric ripples that followed the March tsunami across the Pacific.
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- Climate
A dire shortage of water
Parts of the southwestern United States are in the middle of the worst drought in at least 500 years.
