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Volcano
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Name:sia ding sheng
Date:22/8/2019
Subject:LA extensions
Volcano
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#1
What is volcano?
#2
Types of volcano.
#3
Summary
What is volcano?
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A volcano is an opening in the earth’s crust through which lava, volcanic ash, and gases escape.
Types of volcano
composite volcano is a conical volcano consisting of layers of solid lava flows mixed with layers of other rock
cinder cone volcano doesn’t have horizontal layers, it is a steep conical hill of tephra that accumulates around and downwind from the vent
shield volcano is a type of volcano built mostly from fluid lava vents.
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Summary
Volcanoes are found along destructive subducting plate boundaries, constructive divergent plate boundaries and at hot spots in the earth's surface.
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Q/A
Which volcano built from fluid lava vents?
A. shield volcano
B. cinder cone volcano
C. composite volcano
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Q/A
Which types is doesn't have horizontal layers
A. shield volcano
B. cinder cone volcano
C. composite volcano
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END
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source: time4learning
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