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VOLCANOES What is A Volcano? ~An opening in the earth's crust through which molten lava, ash, and gases are ejected. ~Magma : Molten rock under the Earth’s crust. ~Magma breaks through a weak spot in the crust forming a volcanic eruption. ~ Molten rock flowing from the ground is called lava. What is A Volcano? ~Clouds of poisonous gas, ash and dust rise into the air. -The hole through which they come is the volcano. ~ They build up into a cone-shaped mountain with a crater at the top. ~ Cone: pointed shape with a round base. ~Crater : a large hole shaped like a bowl. Flowing lava destroys everything in its path. Gas ,ash and dust kill plants and animals all around a volcano. Our Own Model Of An Erupting Volcano Movie Of The Mayhem! Works Cited “Volcano.” The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2000 by Houghton Mifflin Company Chris Kreger “Exploring The Environment of Volcanoes.” http://www.cotf.edu/ete/modules/volcanoes/vtypesv olcan1.html “Volcano.” Britannica Encyclopedia 2003 ed. Works Cited Continued Carroll, Michael. Volcanoes and Earthquakes. Chariot Victor Publishing, March 1997 http://www.volcanoworld.org/ Humor Me !