Types of Volcanoes
Volcano Parts
Magma/Lava
Volcanic Landforms
Other Stuff
100
This volcano has gently sloping sides.
What is a shield volcano?
100
This is the opening in the Earth's crust where the magma leaves the volcano.
What is the vent?
100
This is molten rock above ground.
What is lava?
100
This is what forms when viscous lava piles up around a volcano's vent instead of flowing away
What is a lava dome?
100
This type of magma leads to explosive eruptions
What is highly viscous?
200
This type of volcano has layers of ash and lava.
What is a composite volcano?
200
This is the name of large magma rocks that are ejected in an explosive eruption.
What are volcanic bombs?
200
This is molten rock below ground.
What is magma?
200
This is when magma squeezes between relatively horizontal layers of rock.
What is a sill?
200
What kind of eruption will result from low water content in magma?
What is a non-explosive eruption?
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 mineral changes the thickness of lava.
What is silica?
300
This is when magma forces itself into a vertical crack and hardens.
What is a dike?
300
This is what magma erupts as in non-explosive eruptions
What is lava flows?
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
This is a mass of rock that forms when a large body of magma (greater than 100 square km) cools under the crust
What is a batholith?
400
This is what magma erupts as in explosive eruptions.
What is pyroclastic material?
500
This is a hole left by the collapse of a volcanic mountain.
What is a caldera?
500
This is the name of the "little rocks" that are ejected from an explosive eruption
What are lapilli?
500
This is cooler and slower moving lava.
What is aa?
500
This intrusion is formed when magma is injected between rock layers and bubbles the rock up into a lens shape
What is a laccolith?
500
This is a dangerous, fast-moving current of hot gas and ash that comes from a violent volcanic eruption.
What is a pyroclastic flow?
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