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150 Years American Museum of Natural History

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21 Results for "volcano"

olc_250_volcanoes_listing

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

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

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

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...

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

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...

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

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_253_plate_tectonics_listing

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

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_049_venus_listing

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

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_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_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...

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

Send a note to a friend with these earthy letterheads.

Test your knowledge about our planet Earth with this quiz.

olc_034_sedimentary_rocks_listing

These rocks provide the most clues about the history of life on Earth.

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

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