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Volcano Terms Chapter 6 Volcanic Matter Magma Lava Molten mixture of rock-forming substances, gases, and water from mantle Magma on the surface Cools to solid rock Volcano Nat Geo 101 Nat Geo Special 1 7 2 8 3 9 4 10 5 11 6 12 Caldera/Crater conduit (central pipe) lava flow dike magma chamber ash lahar tephra fissure central vent lava dome side vent w lava Volcano Nat Geo 101 Nat Geo Special 1 7 2 8 3 9 4 10 5 11 6 12 * 1 June • read Chap 6 •P. 154 -161 •Parts of your guide book? • Benchmark tomorrow! Answers 1 2 3 4 5 6 Ash Lava Lava dome Side vent Central vent Tephra 7 8 9 10 11 12 Caldera/Crater lahar fissure dike Central Vent/Conduit Magma Chamber Volcano Hunters Volcano Magma Lava Ring of Fire Island arc Hot spot subduction Tiltmeter Andesitic Volcanoes •Mt. St. Helens •Galeras •Nevado del Ruiz •Mt. Vesuvius Composite/Stratovolcanoes: thick blocks of lava Andesitic Volcanoes When two tectonic plates rub against each other and generate enough friction and heat to create magma from melted rock. List Top 10 Volcanoes of the World List Top 10 Volcanoes of the World Why Care? No Volcanoes at the Jersey Shore! Anatomy of a Volcano • Volcanologists •gentle vs. violent •Kill thousands of people •Destroy entire cities, farms, and forests •Severely disrupting local economies •Disrupt communications & travel Works Cited “Anatomy of a Volcano” Len Krock. 11.12.02. Nova Series. Planet Earth. 12-12-11 http://www.pbs.org/wgbh/nova/earth/volcano-parts.html Current Science pub by Weekly Reader Corporation. “Lake of Fire” Works Cited • “Anatomy of a Volcano” Len Krock. 11.12.02. Nova Series. • Planet Earth. 12-12-11 • http://www.pbs.org/wgbh/nova/earth/volcanoparts.html • Current Science pub by Weekly Reader Corporation. • “Lake of Fire”