Types of Volcanoes
Volcano Parts
Magma/Lava
Volcano Locations
CA Geology and Other
100
This volcano has gently sloping sides.
What is a shield volcano?
100
This is the point where the magma leaves the volcano's pipe.
What is the vent?
100
This is molten rock above ground.
What is lava?
100
A major volcanic belt around the Pacific Plate.
What is the Ring of Fire?
100
This is a volcano that is unlikely to erupt soon.
What is a dormant volcano?
200
This type of volcano has layers of ash and lava.
What is a composite volcano?
200
This is the narrow tube that rises from the magma chamber to the vent.
What is the pipe.
200
This is molten rock below ground?
What is magma
200
Two types of boundaries that volcanoes form.
What is spreading and colliding boundaries?
200
This is when magma heats water underground and it is trapped.
What is a geyser?
300
This type of volcano is a very steep cone shaped hill or mountain.
What is a cinder cone volcano?
300
This is the large area underground where the magma is held.
What is the magma chamber?
300
This material changes the thickness of lava.
What is silica?
300
Islands created at a colliding boundary.
What is an island arc?
300
This is one benefit of volcanoes for life.
What is fertile soil?
400
This is a high level area formed by rising underground lava.
What is a lava plateau?
400
This is the bowl shaped area that forms around the volcano's vent.
What is the crater?
400
This is fast moving hot lava.
What is pahoehoe?
400
The Hawaiian Islands are an example of volcanoes at this location.
What is a hot spot?
400
The plates that are responsible for CA's geology.
What are the Juan de Fuca, Pacific and North American plates?
500
This is a hole left by the collapse of a volcanic mountain.
What is a caldera?
500
This is a crack that lava flows out which is not the main vent.
What is the side vent.
500
Volcanic necks, dikes, sills and batholiths
What are landforms made by magma?
500
The process of volcanoes forming between continental and oceanic crust.
What is subduction?
500
This is and explosion of ash cinders and bombs from a violent volcanic eruption.
What is a pyroclastic flow?
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