Types of Volcanoes
This is the point where the magma leaves the volcano's pipe.
What is the vent?
This is molten rock above ground.
What is lava?
This is what forms when magma hardens in a volcanic pipe.
What is a dormant volcano?
This is the narrow tube that rises from the magma chamber to the vent.
What is the pipe.
This is molten rock below ground?
What is magma
This is when magma heats water underground and it is trapped.
What is a geyser?
This is the large area underground where the magma is held.
What is the magma chamber?
This material changes the thickness of lava.
What is silica?
This is one benefit of volcanoes for life.
What is fertile soil?
A large, steep volcano built up of alternating layers of lava and ash or cinders.
This is the bowl shaped area that forms around the volcano's vent.
What is the crater?
Lava which has solidified as rounded masses, characteristic of eruption under water.
What is pillow lava?
These two other planets have extinct volcanoes similar to earth.
What is Venus and Mars?
This is a crack that lava flows out which is not the main vent.
What is the side vent.
This is a stream or sheet of molten or solidified lava.
What is lava flow?
This is and explosion of ash cinders and bombs from a violent volcanic eruption.
What is a pyroclastic flow?