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CmuellerALC
on FreezingBlue Flashcards.
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Once magma reaches the surface, it is called.
lava
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Hot spots can occur ______.
far from plate boundries
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An example of a chemical property is______.
being able to burn
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Very hot magma produces lava called ______.
pahoehoe
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Magma leaves a volcano through a ______.
vent
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An explosive eruption occurs if magma is _____.
high in silica
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A Volcano that is no longer erupting but is likely to erupt again in the future is _______.
dormant
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What forms when magma hardens in the pipe of a volcano?
volcanic neck
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When a volcano erupts quietly, what kind of mountain forms?
shield volcano
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What forms when hot water and steam are trapped underground in a narrow crack?
geyser
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A weak spot in a crust where magma comes to the surface is a_______.
volcano
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How well a liquid flows depends on its ____.
viscosity
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A long tube that connects a magma chamber to the surface is called a ______.
pipe
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A volcano that is no longer likely to erupt is said to be _________.
extinct
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A huge hole left behind when a volcano collapses is a ______.
caldera
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true/false that magma rises to the surface because it is less dense than solid rock
true
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true/false A volcano that erupts quietly produces ashes, cinders, and bombs.
false
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true/false A dike forms when magma hardens between rocks in a horizontal layer.
false
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True/false A batholith forms when a large amount of lava hardens on the surface.
false
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true/false Hot water from underground can be used to heat homes.
true
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Be able to describe the following boundaries:
divergent
convergent
transform
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What causes magma to form at which plate boundary.
- The oceanic plate
- The continental plate
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Be able to identify types of volcanoes.
- cinder cone
- shield volcano
- composite volcano
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Be able to label kinds of eruptions.
- quiet eruptions
- explosive eruptions
- both quiet and explosive eruptions
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Be able to identify which kinds of materials are likely to erupt next within a diagram of a volcano.
- lava and magma
- ash,cinders, and bombs
- magma and bombs
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