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. ...
Volcanoes erupt because of density and pressure. The lower density of the
magma relative to the surrounding rocks causes it to rise (like air bubbles in
May 20, 2009 ... Although volcanoes can look different, they're all created because of the same
event; magma from beneath the Earth reaches the surface and ...
An erupting volcano can trigger tsunamis, flash floods, earthquakes, mudflows
and rockfalls. Volcano ... Volcano Why does lava take a long time to cool down?
Aug 4, 2015 ... What happens beneath the surface before a volcano erupts? ... Mirzam
Abdurrachman does not work for, consult, own shares in or receive ...
www.ask.com/youtube?q=How Does 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 begins as melted rock (magma) which rises from deep inside the earth
toward the surface. As the gas-filled magma rises ...
Aug 5, 2015 ... Some people believe volcanic eruptions are caused by fate. ... But if the pathway
does not exist, then magma will force itself to an area that has ...
How long does it take for a volcano to cool? How many volcanoes erupt every
day? Expert volcanologist Dr. Stanley Williams answers students' questions.
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 ...