A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that
allows hot lava ... Large eruptions can affect temperature as ash and droplets of
sulfuric acid obscure the .... L...
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 ...
May 20, 2009 ... Although volcanoes can look different, they're all created because of the same
event; magma ... But what's going on, how do volcanoes erupt?
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 ...
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
www.ask.com/youtube?q=How Do Volcano Erupt&v=Qq7u1lw7038
Feb 25, 2009 ... United States Geological Survey podcast that answers the question, "How to
volcanoes erupt?" NOTE: In no way does USGS endorse this ...
www.ask.com/youtube?q=How Do Volcano Erupt&v=-kQwudeT3ww
Jun 29, 2013 ... A quick and fun cartoon lesson about volcanoes. ... i have an asignment and its
due tomorrow. thanks to you it took half an hour less to do!! :^).
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 ...
A volcano begins as melted rock (magma) which rises from deep inside the earth
toward the surface. As the gas-filled magma rises ...
How long does it take for a volcano to cool? How many volcanoes erupt every
day? Expert volcanologist Dr. Stanley Williams answers students' questions.