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Volcano WebIn this lesson you will use the Internet to research information on volcanoes and then write a report on your results. A volcano is a location where magma, or hot melted rock from within a planet, reaches the surface. It may happen violently, in a massive supersonic explosion, or more quietly, as a sticky, slow lava flow.IntroductionVolcano TerminologyVolcanic Places in the USAMount St HelensLong ValleyVolcanic Places on MarsResearch ProjectReferences |