GEOLOGIC PROCESSES

Geological processes have helped to create many iconic features on Earth. Processes, such as plate tectonics, are what shapes the face of the Earth. Here you can discover the power of geological processes.
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What's the difference between stalactites and stalagmites?

One grows from the ground and one from the ceiling, but sometime's it's hard to remember which is the stalactite and which is the stalagmite. How do they get there, anyway?

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  • 5 Most Amazing Caves
    5 Most Amazing Caves

    The Doll's Theater of Carlsbad Caverns looks otherworldly and took ages to form. What other incredible sights await us below ground? See more »

  • How Carbon-14 Dating Works
    How Carbon-14 Dating Works

    Carbon-14 dating is something that you hear about in the news all the time. Everything from mastodons to the Shroud of Turin has been dated using this technique! Learn about how carbon-14 dating works and why it is so accurate! See more »

  • How Landslides Work
    How Landslides Work

    Earthquakes and volcanoes get all the press. But the landslides they trigger are often more devastating. What makes the ground suddenly rip downhill, taking trees and homes with it? See more »

  • How Quicksand Works
    How Quicksand Works

    Countless movies and television shows depict quicksand as some kind of living creature that sucks its victims down into a bottomless pit, never to be heard from again. Well, you can't believe everything Hollywood tells you. See more »

  • What will Earth look like in 5,000 years?
    What will Earth look like in 5,000 years?

    The world of our far-future descendants may be as unrecognizable to us as our bustling, urbanized world would be to our bewildered ancient forefathers. Will energy drive many of those changes? See more »

  • What will Earth look like in 500 years?
    What will Earth look like in 500 years?

    "The 26th century" doesn't roll off the tongue as easily as "the 21st century" does. But that hasn't stopped us from imagining what our hometown planet will be like in a few hundred years. Any guesses? See more »

  • What's the difference between stalactites and stalagmites?
    What's the difference between stalactites and stalagmites?

    One grows from the ground and one from the ceiling, but sometime's it's hard to remember which is the stalactite and which is the stalagmite. How do they get there, anyway? See more »

  • Erosion
    Erosion

    Erosion, the wearing away of the earth's surface by natural forces. The major causes of erosion include running water, wind, glaciers, and waves. See more »

  • Lava
    Lava

    Lava, molten rock ejected from volcanoes and fissures (cracks) in the earth's surface. See more »

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