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volcanoes

TermDefinition
Element a substance that cannot be broken down into other substances.
Viscosity Increases as temperature decreases.
Silcia a compound made up of particles of the elements oxygen and silicon.
Pahoehoe Fast moving,hot lava that has low viscosity.
AA Lava that is cooler and slower moving.
compound Types of magma of viscosity in its content.
lava When magma reaches the surface.
magma A complex mixture that has a major ingredient called silica.
Volcanic ash formed during explosive eruptions.
crater A bowl shaped area around a volcano's central vent.
vent Where magma leaves the volcano through an opening.
pipe the tube that carries the magma to the opening of the volcano.
lava flow a mass flowing of lava.
extinct a volcano that is dead or unlike to ever erupt again.
Dormant A volcano that is not erupting but is supposed to erupt.
Active A volcano that is bound to erupt an explosion.
Magma chamber location where lava,
cinder cone location where lava,tephra,and gases are stored inside a volcano.
shield a gently sloping,wide volcano.
composite type of volcano that has smooth flowing lava and sometimes explosions.
subduction Edge of a plate of the earth's crust into the mantle beneath another plate.
caldera a large volcanic crater.
batholith a very large igneous intrusion deep in the earths crust.
lava plateu basaltic lava during numerous eruptions.
sill solidified lava between layers of rock.
Dike A vertical or diagonal layer of solidified lava in cracks of rocks.
hot spring a spring of naturally hot water.
Ring Of Fire Formed by many volcanoes that rim the Pacific Ocean.
geyser surface that releases blowing hot water and steam.
tephra fragments and particles ejected by a volcanic eruption.
stratovolcano another name for a composite volcano.
Created by: 1963078908