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 ...
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
Jan 5, 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.
Hot melted rocks collect under the Earth's surface and when the pressure
becomes too hard, the Earth's skin breaks, and a volcano erupts. The melted rock
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 magma and the ...
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 ...
www.ask.com/youtube?q=How Do Volcano Erupt?&v=6CBnqZkascs
May 15, 2015 ... Volcano eruption - Lava Volcano erupting - Hawaii volcano - Lava lake - Lava ...
does anyone know the name of the piano song at @5:23 ?
www.ask.com/youtube?q=How Do Volcano Erupt?&v=R0Zbj7S22zs
Mar 5, 2008 ... a video of a volcano erupting with big flames. ... We learnt this today in school for
english about volcanos 22nd February 2016. Read more.