HS-ESS2-5
Plan and conduct an investigation of the properties of water and its effects on Earth materials and surface processes.
More Stories in HS-ESS2-5
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AgricultureScientists Say: Corn Sweat
Cornfields release moisture into the air — or “sweat” — a couple of ways. One is evaporation. The other is transpiration.
- Earth
Clouds come in all shapes and sizes
Here’s a basic breakdown of the different cloud types, as well as how clouds form and why they float.
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EarthLet’s learn about rivers
Rivers vary a lot in size and terrain, but all share a few basic features.
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EnvironmentWatch out: Hail can get really big!
New data from hailstones suggest most of these icy chunks may not form the way scientists long thought.
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PlanetsMars’ rust suggests it was once wet — and its seas frigid
Mars may once have held enough water to fill oceans and form coastlines. And the planet’s red dust hints that its seas would have been quite frigid.
By Skyler Ware -
EarthScientists Say: Frost Quake
When wet soil abruptly freezes, it creates high pressure underground. When the pressure releases, it can trigger a mini-earthquake called a frost quake.
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EarthSurprise! The jet stream can trigger cloud formation
Most cloud-seeding particles may come from a newly discovered mechanism — stratospheric intrusion.
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EarthMany natural underground stores of freshwater are shrinking
A lot of these aquifers are quickly disappearing due to climate change and overuse. Fortunately, there is growth in some of the world’s major aquifers.
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PhysicsBefore the ancient Egyptians, nature may have carved sphinxes
Steady ‘winds’ can carve clay blobs into lion-shaped landforms called yardangs, a new study suggests. One such yardang may have inspired the Great Sphinx of Giza.
By Elise Cutts