Volcanoes erupt due to pressure that the weight of the rocks puts on the magma and forces it to the surface out any available vent or exit provided to it. The magma is in a reservo...
How Does a Volcano Erupt?
A volcano marks a vent where magma, or molten rock, reaches the Earth’s surface in the form of lava and associated materials. While many people envision a conical peak when they think of a volcano, a wide variety of landforms fall into the...
They are sometimes formed within the crater of a previous volcanic eruption, as
in ... eruptions, but their lava generally does not flow far from the originating vent.
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 are just a natural way that the Earth and other planets have of cooling
off and releasing internal heat and pressure. Volcanoes erupt because of ...
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
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?
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
www.ask.com/youtube?q=How Does A Volcano Erupt&v=-kQwudeT3ww
Jun 29, 2013 ... A quick and fun cartoon lesson about volcanoes. Great for teachers and ... I'm
going to take my geography test and now I do not feel nervous!