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When it explodes, it is called lava. Volcanoes explode because of the gas buildup. When the gas builds up a lot, the gas and lava, which is hot rocks, blows out the top, it’s a lot like the way a soda explodes. The lava can get up to 1600 degrees - a lot hotter than an oven.
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library.thinkquest.org/03oct/01186/causes.htm
library.thinkquest.org/03oct/01186/causes.htm
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What Causes Volcanoes? ... Volcanoes explode because of the gas buildup. When the gas builds up a lot, the gas and lava, which is hot rocks, blows out the top, it’s a lot like the way a soda explodes. The lava can get up to 1600 degrees - a lot hotter than an oven.
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library.thinkquest.org/03oct/01186/eruptions.htm
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There are several types of volcanoes and many different reasons for them to erupt. Volcanoes erupt due to pressure and density. Opening a shaken bottle of soda is a good demonstration of eruption. When a volcano erupts, magma rises and bubbles of dissolved ... This causes the magma to explode out of the top of the volcano.
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merlin.alfred.edu/muller/FormerPhysWorld/PhysWorld/Proj...
merlin.alfred.edu/muller/FormerPhysWorld/PhysWorld/Project2/Volcanoes/volcanoes.html
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Tuesday, December 1 2009 ... Canada's Worst Driver: Season 5: Ep. 6 ... A team of experts puts eight of the nation's worst motorists through challenging courses designed to test and improve their skill sets and to determine which competitor is Canada's Worst Driver.
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What causes volcanoes? ; Inside the earth's core there is a red-hot liquid rock, called magma. ... Volcanoes happen when magma rises to the surface of the earth, which causes bubbles of gas to appear in it. ... Are there different types of volcanoes?
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news.bbc.co.uk/cbbcnews/hi/find_out/guides/tech/volcano...
news.bbc.co.uk/cbbcnews/hi/find_out/guides/tech/volcanoes/newsid_1768000/1768595.stm
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Volcanoes happen when magma rises to the surface of the earth, which causes bubbles of gas to appear in it. ... Guide to Volcanoes ... Are there different types of volcanoes?
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news.bbc.co.uk/cbbcnews/hi/newsid_1760000/newsid_176850...
news.bbc.co.uk/cbbcnews/hi/newsid_1760000/newsid_1768500/1768595.stm
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Italy has lots of volcanoes. Mount Vesuvius is the most famous volcano. It killed hundreds of people. ... Hot gasses and rocks mix together to make lava. As the lava breaks through the volcano, it causes the volcano to explode. After a volcano explodes, everything is buried under lava and ashes.
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www.kirkwood.k12.mo.us/parent_student/te/bauerme/volcan...
www.kirkwood.k12.mo.us/parent_student/te/bauerme/volcanoes.htm
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Two University of California, Berkeley, geophysicists have proposed an explanation for the unpredictable nature of volcanic eruptions, why volcanoes sometimes ooze lava, but at other times explode in showers of ash and pumice. ... "One of the central problems of volcanoes is: Why do they erupt and why do they alternate...
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www.sciencedaily.com/releases/2003/11/031128083028.htm
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How Do Volcanoes Explode?. The stuff that comes out of volcanic ... A plate being pushed down causes a plume of molten material to force its way up through ...
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www.ehow.com/how-does_4569172_volcanoes-explode.html
www.ehow.com/how-does_4569172_volcanoes-explode.html
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