This is the point where the magma leaves the volcano's pipe. It is also the general term for anywhere magma leaves a volcano.
What is the vent?
100
This is molten rock above ground.
What is lava?
100
These are small globs of lava that are thrown into the air by explosive eruptions.
What is a cinder?
100
This is a volcano that is unlikely to erupt soon, but has not erupted in awhile.
What is a dormant volcano?
200
This type of volcano has layers of ash and lava, and is made by alternating explosive and quiet 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
These are large globs of lava thrown into the air by volcanoes that explode when they hit the ground.
What are lava bombs?
200
This is when magma heats water underground and it is trapped, making it spray into the air.
What is a geyser?
300
This type of volcano is a very steep cone shaped hill or mountain, and is made by explosive eruptions.
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 a quickly moving cloud of volcanic ash, cinders, and rock that travel at hurricane speeds and can be hotter then 1500 degrees and smoother and kill you when they hit you.
What are pyroclastic flows?
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 seeping through fissures.
What is a lava plateau?
400
This is the bowl shaped area that forms around the volcano's vent.
What is the crater?
400
What type of lava is most likely to make an explosive eruption?
What is high silica or thick lava?
400
These are the cracks that can open in the ground during an earthquake that lava can flow through making lava plateaus.
What are fissures?
400
The giant dome shaped volcano on Mars.
What is Olympus Mons?
500
This is a hole left by the collapse of a volcanic mountain into an empty magma chamber.
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 most likely to make a quiet eruption.
What low silica or thin lava?
500
A supervolcano that is a mantle plume?
What is in yellowstone national park that has to do with volcanoes?
500
It can travel thousands of miles and can collapse buildings, and can lead to death if breathed in.