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 .... Not only do stratovol...
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
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 ...
Find out what the earth make-up is, and how extreme pressure build up inside
the earth forces molten matter to be expelled out to the surface, causing a
Aug 4, 2015 ... Piton de la Fournaise or “Peak of the Furnace” on Reunion Island is one of the
world's most active volcanoes, shown erupting in August 2015.
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
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?
www.ask.com/youtube?q=Why Do Volcanoes 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!! :^).
An extinct volcano is one which has erupted thousands of years ago and there's
no possibility of eruption. Why do volcanoes erupt? The Earth's crust is made up
A volcano begins as melted rock (magma) which rises from deep inside the earth
toward the surface. As the gas-filled magma rises ...