Show:
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 point where the magma leaves the volcano's pipe.
What is the vent?
100
This is molten rock above ground.
What is lava?
100
This is what forms when magma hardens in a volcanic pipe.
What is a volcanic neck?
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. Quiet eruptions alternate with explosive eruptions.
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
This is when magma squeezes between relatively horizontal layers of rock.
What is a sill?
200
These are the two types of plate boundaries
What are colliding and spreading boundaries
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
This is when magma forces itself into a vertical crack and hardens.
What is a dike?
300
An area where magma from deep within the mantle melts through the crust above it. It has formed the Hawaiian Islands.
What is a hot spot?
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 cools inside the cust.
What is a batholith?
400
One major volcanic belt, formed by many volcanoes that rim the Pacific Ocean
What is the Ring of Fire?
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
This is cooler and slower moving lava.
What is aa?
500
This a benefit of volcano eruptions
What is fertile soil?
500
This is and explosion of ash cinders and bombs from a violent volcanic eruption.
What is a pyroclastic flow?