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Chapter 7 - Volcanos

Earth Science - Volcanos

QuestionAnswer
volcano land or underwater feature formed when magma reaches Earth's surface
vent cone shaped land form made when lava flows in many directions from a single source
fissure eruption magma escaping through long narrow cracks in the Earth's crust
hot spot localized areas of high heat underneath the Earth's surface
viscosity the measure of a substances ability to resist flow
shield volcano huge, gently sloping volcanic land form composed mainly of basaltic lava
cinder cone volcano large, steeply sloped volcanic land form composed mainly of solid fragments of tephra
tephra solid fragments of volcanic rock or lava of greatly varying size
composite volcano volcanic land form composed of alternating layers of lava and tephra
volcanic ash fine grained tephra
lahar rapid flowing mixture of volcanic ash and debris
pyroclastic flow fast moving body of hot gases and solids
Created by: pbush
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