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Bill Nye the Science Guy
1993
Published on, 1 month ago
Bill Nye the Science Guy
Volcanoes 4 Season 14 Episode
26 min
1993
7.3
Volcanoes are mountains made from molten rock. The Earthโs crust is divided into big slabs, called plates, which are slowly moving all the time. The plates are floating on the Earthโs mantle, a layer of gooey hot rock that flows like maple syrup. Some places in the mantle, the rock gets very hot and nearly liquid. Itโs called magma. Sometimes the magma reaches the Earthโs surface and forms a volcano.
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