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Posts tagged lava

November 30, 2010

 

A close up view of the inside of Mount Rainier

Ice, Lava, Geology, And Mount Rainier

What happened to the lava at Mount Rainier? Why is the story so unusual?

November 29, 2010

 

Mount Rainier

Mount Rainier And Its Strange Lava

There's a mystery happening along the slopes of Mount Rainier in Washington State.

September 13, 2010

 

volcano erupting

Are Underwater Volcanoes Stifled By Water?

When volcanoes erupt underwater, do the waves and ocean currents help calm the eruption?

April 28, 2010

 

globe2_084

Why Do The Magnetic Poles Switch Places?

Have you ever wondered why the magnetic fields change places?

April 27, 2010

 

globe_083

When And How The Magnetic Poles Switch Places

Did you know that years and years ago the magnetic poles switched places?

November 28, 2005

 

When North Was South

You’re a polar explorer and you’ve just reached the north pole. The huskies are yapping, the cameras are ready and you’re just about to unfurl the flag when, all of a sudden, the north pole becomes the south pole. Imagine your chagrin. Okay, so it doesn’t really happen that fast, but it’s true that in the past the earth’s magnetic poles have switched places. In fact, it seems to happen roughly every 250,000 years or so. How do we know this? Learn more on this Moment of Science.

June 2, 2005

 

Fire, Ice, and Mountain-Climbing Lava

A mysterious geological feature can be found on the slopes of Mount Rainier, a volcano in Washington state. Learn more on this Moment of Science.

October 15, 2004

 

Life Traces in Lava

Do you ever stop to think about how all living things are ultimately related? "Life Traces in Lava" on this Moment of Science.

September 30, 2003

 

The Oldest Human Footprints

Learn about the oldest human footprints on this Moment of Science.

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