A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that
allows hot lava ... Volcanoes can also form where there is stretching and thinning
of the crust's interior pla...
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 ...
www.ask.com/youtube?q=How Volcanoes Form?&v=6Z4as_imJfM
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Most volcanoes are formed by the movement of tectonic plates on the surface of
the earth. These plates are basically huge pieces of rock that 'float' on the ...
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 ...
www.schooltube.com/video/1153b09c51bbf9501038/National Geographic - How Volcanoes Form
Dec 13, 2010 ... How Volcanoes form. ... Volcanoes National Park · Lewis and Clark Expedition,
National Geographic 1/5 · Hatshepsut - National Geographic.
Volcanoes form when magma reaches the Earth's surface, causing eruptions of
lava and ash. They occur at destructive (compressional) and constructive ...
There are three main places where volcanoes originate: Hot spots,; Divergent
plate boundaries (such as rifts and mid-ocean ridges), and; Convergent plate ...
Some volcanoes are found at great distances from plate boundaries and are
referred to as intraplate, within plate or hot spot volcanoes. These form above hot
Mar 25, 2009 ... Some of the most dramatic mountains in the world are volcanoes. Volcanoes can
grow to enormous heights quickly, sometimes just a few years ...