Volcanoes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Cinder Cone | A steep cone made of volcanic ash,cinders,and bombs around a volcanoes opening
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| Composite Volcano | A tall cone where layers of lava alternate with layers of ash and other volcanic material
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| Caldera | The hole at the top of a volcano formed when the roof of a volcanoes opening collapses
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| Volcanic Neck | A deposit of hardened magma in a volcanoes pipe
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| Geothermal Activity | When underground water is heated by magma
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| Geyser | Water and steam which build up pressure underground and erupts
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| Island Arc | A stream of islands formed by volcanoes along a deep ocean trench
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| Hot Spot | Where magma from within the magma melts through the crust above it
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| Lava Flow | Area covered by lava as it flows out of a volcanoes vent
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| Dormant | A volcano that isn't active ,but can become active in the future
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| Extinct | a volcano that is inactive and most likely will never erupt again
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| Volcano | A weak spot in the crust where magma has come to the surface
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| Magma | A molten mixture of rock which forms substances,gases,and water from the mantle
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| Lava | Liquid magma that reaches the surface
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| Ring of Fire | a line of volcanoes surrounding the pacific ocean
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| Magma Chamber | a pocket beneath a bolcon
a pocket beneath a volcano where magma collects
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| Pipe | a tube where magma moves form the magma chamber to earth's surface
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| Vent | an opening where molten rock and gas leave a volcano
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| crater | an area which forms around a volcano's opening
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| viscosity | a liquid's resistance to flowing
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| Cilica | material found in magma that is formed from the elements of oxygen and silicone
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| Shield Volcano | a gently sloping mountain made by layers of lava and formed by quiet eruptions
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| Batholith | a mass of rock formed when a large body of magma cools inside the crust
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| Pyroclastic flow | the explosion of ash cinders bombs and gases during an explosive volcanic eruption
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