1. Volcanoes
... material, and which is light and buoyant after melting, or it may come from deeper in the interior of the earth and is light and buoyant because it is very hot. Hot magma, rising from lower reaches of the Earth, eventually, but not always, erupts onto the surface in the form of lava. During the eruption of a volcano, flowing lava and ash ... and broad, with flat, rounded shapes. Shield volcanoes usually only spew lava, which has such a low viscosity that it is able to move many miles before cooling to immobility, and hot gases. The outpourings of lava are typically not accompanied by py...
- Word Count: 1917
- Approx Pages: 8
- Has Bibliography
- Grade Level: High School