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 ...
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 ...
The friction causes earthquakes and volcanic eruptions near the edges of the
plates. The theory that explains this process is called plate tectonics. Volcano
Where plates move away from each other at spreading or divergent plate
margins, volcanic eruptions are gentle extrusions of basaltic lava. Most of these
A secondary school revision resource for GCSE Geography covering key facts
about volcanoes and volcanic eruptions.
www.ask.com/youtube?q=what makes volcanoes 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 ...
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 ...
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