Space
Analyze This: Ice around baby stars may hint at origins of Earth’s water
Scientists have now gotten a good look at the ice around a baby star. It might help them unravel the origins of the water needed for life on Earth.
MS-ESS2-4
Develop a model to describe the cycling of water through Earth's systems driven by energy from the sun and the force of gravity.
More Stories in MS-ESS2-4
- Physics
How salty does the sea have to be for an egg to float?
Some objects float on top of the ocean, and other objects sink to the bottom. Why? Try this eggs-periment to find out!
- Climate
Greenland’s inland ice is melting far faster than anyone thought
Inland melting of the Northeast Greenland Ice Stream is accelerating — and may contribute far more to sea level rise than earlier estimates suggested.
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- Physics
Gravitational waves ‘kicked’ a newborn black hole across space
Two black holes merged into one, and then sped off at around 5 million kilometers (3.1 million miles) per hour.
- Earth
Let’s learn about Earth’s secret stash of underground water
Groundwater provides drinking water to billions of people and is used to water crops worldwide.
- Earth
From icebergs to smoke, forecasting where dangers will drift
Smoke drifts. Fish eggs float downstream. Where such drifting things end up may seem a mystery. But research can predict where they’ll end up.
- Climate
Scientists Say: El Niño and La Niña
El Niño and La Niña are part of a climate cycle that results in major weather changes every few years.
- Climate
Warming cities may see more rain — and frequent flooding
Scientists are seeking to understand why and how to mop up excess precipitation.
- Agriculture
New technologies might help keep drought-prone farms green
After learning how much damage drought can do to crops, two teens designed ways to detect a thirsty plant and make sure it gets enough water.
