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Volcanoes

TermDefinition
volcanology The study of volcanoes, magma, lava, and related topics
magma Molten rock / hot fluid in the mantle (below the earth’s crust)
lava Liquid molten rock that has reached the earth’s surface. Solid rock when cooled.
conduit The channel where magma travels up the volcano.
vent The opening of the volcano
magma chamber Where the magma is stored in the volcano
composite volcano Also known as a stratovolcano. It is a conical volcano with many layers of lava, tephra, and ash.
shield volcano Volcano with gently sloping sides. Mostly fluid magma eruption.
cinder cone volcano Volcano with a steep conical (cone shaped) hill – most common type. Volcanic debris around the vent
caldera A volcanic crater from a collapsed magma chamber (where a volcano erupted).
volcanic bomb Molten rock mass ejected from a volcano during an eruption
igneous rock Rock formed from cooling and hardening of magma.
geyser A hot spring where boiling water shoots up a tall column of water and steam
hot spots Area in the mantel where heat rises
fumaroles Opening in the earth’s crust that emits steam and gases.
pyroclastic flow Fast moving current of hot gas and rock
Created by: mrstwilliams
Popular Science sets

 

 



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