Science | Environmental Science | 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?


Not Just Rocks: The Geology Quiz

Not Just Rocks: The Geology Quiz

How much do you know about Earth's geological processes? Test your knowledge of geology with this quiz at HowStuffWorks. See more »

What will Earth look like in 500 years?

What will Earth look like in 500 years?

The Earth in 500 years could be a very different place due to climate change. Learn about the Earth in 500 years. See more »

What will Earth look like in 5,000 years?

What will Earth look like in 5,000 years?

The Earth in 5,000 years would be a very different place because of climate change. Learn about the Earth in 5,000 years. See more »

Amazing Cave Pictures

Amazing Cave Pictures

These cave pictures show you some of the most incredible caves in the world. Check out this collection of cave pictures. See more »

5 Most Amazing Caves

5 Most Amazing Caves

The 5 most amazing caves are explained in this article. Learn about the 5 most amazing caves. See more »

Are sand dunes really alive?

Are sand dunes really alive?

Sand dunes alive? It's hard to imagine a pile of sand could seem lifelike. But they can behave like creatures. Learn why sand dunes seem alive. See more »

How Sand Dunes Work

How Sand Dunes Work

Sand dunes are more intriguing than you might think. For one, some sand dunes sing. What other interesting facts can you learn about sand dunes? See more »

What's the difference between stalactites and stalagmites?

What's the difference between stalactites and stalagmites?

Stalactites and stalagmites are two common cave features that are often mistaken for each other. Learn about stalactites and stalagmites. See more »

How Landslides Work

How Landslides Work

Landslides can be devastating, causing more damage than their triggers. Learn more about landslides and landslide causes. 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. Find out how quicksand really acts and what to do if you happen to fall into it. See more »