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It may pour out in gentle streams called lava flows or erupt violently into the air. Rocks ripped loose from the inside of the volcano or torn apart by the gas may be shot into the air with the lava. These rocks blown out of a volcano are called pyroclastic rocks.
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library.thinkquest.org/17457/volcanoes/erupt.php
library.thinkquest.org/17457/volcanoes/erupt.php
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it for a science project i have a kit already but ... it for a science project i have a kit already but the project is to see other way to make my volcano erupt. ... Arenal Volcano Eruption Arenal Volcano Eruption update, photos, Hotels viewing the... arenal.net...
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answers.yahoo.com/question/index?qid=20070423175806AA04...
answers.yahoo.com/question/index?qid=20070423175806AA04Dak
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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 gas release through the magma.
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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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K-12 exercises about volcanoes around the world. ... As part of our 4th grade curriculum, our social studies classes are learning about volcanoes. We wanted to know what makes a volcano erupt and if they are all found in the same places and if they are all the same.
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www.k12.hi.us/~kapunaha/student_projects/volc_blowout/v...
www.k12.hi.us/~kapunaha/student_projects/volc_blowout/volcano_main.htm
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How many times does a volcano erupt in a year? (Stephanie, Walden III Middle School, Racine, Wisconsin) ... Does a volcano erupt quickly, or does it erupt gradually? (Jenni Lunde, Walden III Elementary School, Racine, Wisconsin) ... What makes a volcano erupt? (Hannah Washington)
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www.sio.ucsd.edu/volcano/volcano_qa/general_ans.html
www.sio.ucsd.edu/volcano/volcano_qa/general_ans.html
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Question: One of my 3rd graders asks, What makes a Volcano erupt? david ptasnik Answer: I'm no geologist, but I'll try to answer. The part of the earth we walk on is a thin sort of "skin" called the crust (like an ant might walk on the skin of a peach, we walk on the crust of the earth).
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www.newton.dep.anl.gov/askasci/gen99/gen99034.htm
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