A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that
allows hot lava .... When it does reach the surface, a volcano is formed. Typical ...
Deep inside Earth, between the molten iron core and the thin crust at the surface,
there is a solid body of rock called the mantle. When rock from the mantle melts ...
Commonly, volcanoes form at points where the Earth's crust is thinnest. This is
normally near fault lines, but has been known to occur in the middle of tectonic ...
www.ask.com/youtube?q=How Do Volcanoes Form&v=6Z4as_imJfM
Jun 22, 2011 ... How Volcanoes Form .... I have to do a report xD ... Volcanoes, Their Formation,
Impact, & Eruption - Interesting & Educational Videos for Kids, ...
How Do Volcanoes Form: A volcano is vent or opening on planet's surface which
allows molten rock called magma, volcanic ash and gas to escape out onto its ...
Apr 29, 2016 ... Volcanoes form when hot material from below risesand leaks into the crust. This
hot material, called magma, comes either from a melt of ...
Sep 6, 2013 ... Scientists at UC Berkeley have detected previously unknown channels of slow-
moving seismic waves in Earth's upper mantle, a discovery that ...
Some of the most dramatic mountains in the world are volcanoes. Volcanoes can
grow to enormous heights quickly, sometimes just a few years. But have you ...
Volcanoes form when magma reaches the Earth's surface, causing eruptions of
lava and ash. They occur at destructive (compressional) and constructive ...
There are a few continental ridge areas, where the magma does spew out onto
land; but ... If this happens, the flowing magma (now called lava) forms a volcano.