A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that
allows hot lava ... Erupting volcanoes can pose many hazards, not only in the
immediate vicinity of the eruption. ...
A volcano begins as melted rock (magma) which rises from deep inside the earth
toward the surface. As the gas-filled magma rises ...
Nov 29, 1999 ... When a part of the earth's upper mantle or lower crust melts, magma forms. A
volcano is essentially an opening or a vent through which this ...
Eruptions can cause lateral blasts, lava flows, hot ash flows, mudslides,
avalanches, falling ash and floods. Volcano eruptions have been known to knock
Volcanic activity frequently occurs at the boundaries of the Earth's tectonic plates
... An eruption can be preceded by hundreds of small earthquakes know as ...
Jan 6, 2016 ... Photo credit: What causes the world's explosive volcanic eruptions, like ...
bubbles form from the magma in a process known as vesiculation, ...
A secondary school revision resource for GCSE Geography covering key facts
about volcanoes and volcanic eruptions.
www.ask.com/youtube?q=Know What Makes a Volcano Erupt&v=-kQwudeT3ww
Jun 29, 2013 ... A quick and fun cartoon lesson about volcanoes. Great for teachers and students-
hope you guys enjoy! Be sure to subscribe if you like it, there ...
A volcano is a landform (usually a mountain) where molten rock erupts through
the surface of ... We currently know of 80 or more which are under the oceans.
www.ask.com/youtube?q=Know What Makes a Volcano Erupt&v=ShOFQ2h2fws
Jun 19, 2014 ... Volcanoes form when magma from the earth's interior is able to make its ...
channel is the best it covers lots of things we need to know in school.