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Jaeden key terms

QuestionAnswer
what is a volcano? a weak spot in the crust where magma reaches the surface.
what is magma? the molten mixture of rock forming substances,gases, and water.
what is lava? magma that reached the surface.
what is a ring of fire? a volcanic belt.
what is a island arc? a string of islands.
what is a hot spot? when magma melts through the crust.
what is a shield volcano? a sloping mountain.
what is a cinder cone? a steep coned shape hill.
what is a composite volcano A cone shaped mountain.
what is a caldera? a large hole at the top of a volcano.
what is a volcanic neck? hardened magma in a volcanoes pipe.
what is a dike? a slab of volcanic rock.
what is a sill? a slab of volcanic rock that squeezes between layers of rock.
what is a batholith? a mass of rock.
what is a magma chamber? the pocket beneath a volcano.
what is a pipe? a long tube where magma moves from.
what is a vent? the opening through which leaves the volcano
what is a lava flow? the area covered by lava which pours out of the vent.
what is a crater? a bowl shaped area around a volcano.
what is a silica? the material that is formed by oxygen.
what is a pahoehoe? hot moving lava.
what is aa? cool moving lava.
what is pyroclastic flow? the expulsion of ash,cinders,bombs, and gases.
what is active? a volcano that will erupt.
what is dormant? a volcano that is sleeping or might erupt.
what is extinct? a volcano that wont erupt.
what is a hot spring? a pool formed by groundwater.
what is a geyser? fountain of water and steam.
what is geothermal energy? heat energy in earth's interior.
Created by: popdooog123
Popular Earth Science sets

 

 



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