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American Museum of Natural History

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20 Results for "volcano"

olc_250_volcanoes_listing

Some volcanoes erupt explosively, like opening a shaken soda bottle, because their magma is full of gases.

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Find out what causes volcanoes to erupt and how scientists study them.

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Volcanoes, tsunamis, earthquakes... Examine how plate tectonics affect our world.

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Visit a scientist's lab to see how he creates a magma chamber!

olc_252_ring_of_fire_listing

If you marked every active volcano in the world on a map, you'd start to notice a pattern. Most of the world's active...

olc_251_hot_spots_listing

Most volcanoes form along plate boundaries. But some of the world's largest and most active volcanoes are found far f...

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Take a peek at our planet's layers, learn what secrets rocks reveal, and gain a long view of history.

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Send a note to a friend with these earthy letterheads.

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Test your knowledge about our planet Earth with this quiz.

olc_248_jim_webster_listing

Jim is fascinated with volcanoes. He wants to know why some volcanoes erupt explosively, and how he might be able to...

olc_243_granite_listing

Granite is an igneous rock, which means it formed from magma, or melted rock. It forms deep inside the Earth under a...

olc_244_igneous_rocks_listing

Igneous rocks form when magma, or melted rock from inside the Earth, cools and hardens. They can form above ground wh...

olc_256_ed_mathez_listing

Ed Mathez has always been fascinated by rocks and the Earth. As a young boy, he went with his mother to old rock quar...

olc_253_plate_tectonics_listing

The Earth is always changing. Mountains form and erode away. Volcanoes erupt and grow larger. Earthquakes shift the l...

olc_319_antarctica_listing

Antarctica is like no other place on Earth. The continent is covered almost entirely by a thick ice sheet. Yet there...

olc_051_mars_listing

Mars is often called the "red planet." It's red because its surface is covered with rusted particles of iron.

olc_254_mid-ocean_ridge_listing

When viewed from above, the wide-open sea is vast and flat. But venture below and you'll find a varied landscape that...

olc_049_venus_listing

Venus and Earth are sometimes called sister planets because of their similar size, but don't let this comparison fool...

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Water is a precious resource, and all things need water to survive.

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Find out exactly what cloning involves. Do not try this at home!

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