Bill Nye The Science Guy 4 14 -1 -1 251065 0.0 0.0 0 Volcanoes are mountains made from molten rock. The Earth’s crust is divided into big slabs, called plates, which are slowly moving all the time. The plates are floating on the Earth’s 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. It’s called magma. Sometimes the magma reaches the Earth’s surface and forms a volcano. 26 http://image.tmdb.org/t/p/original/uYEckRJRRtdxDthkhxMzNc00fgq.jpg 1996-01-31 1996-01-31 false Rabbit Ears Productions Public Broadcasting Service KCTS Television James McKenna Bill Nye Michael Gross Kit Boss Erren Gottlieb Ian G. Saunders Adam Gross Seth Gross Simon Griffith Scott Schaefer Darrel Suto Michael Palleschi Lynn Brunelle Toby Lawless Family Magician https://www.themoviedb.org/person/1234124 2020-08-23 13:00:58 UNKNOWN BNTSG S04E14 Volcanoes.avi