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 ...
www.ask.com/youtube?q=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 ...
May 13, 2015 ... In spring of 2015, they were featured in the news heavily, primarily in Chile, with
two recently active sites of volcanic activity. Calbuco erupted ...
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 ...
Some volcanic eruptions are explosive and other are not. How explosive an
eruption is depends on how runny or sticky the magma is. If magma is thin and ...
A secondary school revision resource for GCSE Geography covering key facts
about volcanoes and volcanic eruptions.
The eruption of a volcano can be one of the planet's most destructive events —
spewing huge amounts of rock, gas and ash that can kill people. Henry Fountain
There are few geological events that are as dramatic as a volcanic eruption
except maybe a hurricane, tornado or a tsunami. Each is drama.
What is a Volcano? A volcano is a landform (usually a mountain) where molten
rock erupts through the surface of the planet. In simple terms a volcano is a ...