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Science ch 5 volcano

chapter 5 Ms. Davis

QuestionAnswer
weak spot in the crust where molten material, or magma, comes to the surface volcano
molten mixture of rock-forming substances, gases, and water from the mantle magma
magma that reached the surface lava
volcanoes that create a string of islands island arc
area where material from deep within the mantle rises and then melts, forming magma hot spots
a pocket beneath a volcano where magma collects magma chamber
long tube through which magma moves from the magma chamber to the earth's surface pipe
the opening through which molten rock and gas leave a volcano vent
area covered by lava as it pours out of a volcano's vent lava flow
bowl shpaed area that forms around a volcano's central opening crater
liquid's resist to flowing viscosity
compound made of oxygen and silicon silica
the expulsion of ash, cinders, bombs, and gases during an explosive volcanic eruption pyroclastic flow
a volcano that is not currently active, but that may become active in the future dormant
volcano that is no longer active and is unlikely to erupt again extinct
Created by: deleted user
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