HS-ESS3-1
Construct an explanation based on evidence for how the availability of natural resources, occurrence of natural hazards, and changes in climate have influenced human activity.
- Earth
Fighting big farm pollution with a tiny plant
Fertilizer runoff can fuel the growth of toxic algae nearby lakes. A teen decided to harness a tiny plant to sop up that fertilizer.
- Earth
Explainer: What is a tsunami?
Earthquakes and landslides can create huge waves that travel across oceans.
- Environment
Scientists Say: Fracking
Liquid fuel sources such as natural gas and petroleum form deep underground between layers of rock. To retrieve them, engineers often use a technique called hydraulic fracturing, or fracking.
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Science stars are on display at the White House
One hundred students from 30 states participated in the fourth annual White House Science Fair in Washington, D.C.
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- Earth
Quake leaves destruction, fear
In Japan, an earthquake started a tsunami that caused a nuclear disaster.
- Humans
A diamond polish for ancient tools
People in Stone Age China may have used diamonds to polish their stone axes.
- Earth
Digging into a tsunami disaster
A powerful earthquake under the Indian Ocean changed Earth's surface and spin.
