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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

What is the most common way volcanoes are formed?

What is subduction?

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

When water content is high, viscosity is ___________.

What is low?

200

The pacific ocean basin is most known for this group of volcanoes?

What is the Ring of Fire?

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

What is an uncommonly hot region of the mantle called?

What is a hotspot?

300

The most historic volcano that to erupt in US history?

What is Mt. St. Helens?

400

This is when a volcano's magma chamber empties and the volcano creates a depression.

What is a caldera?

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

What three things determine magma viscosity?

What is silica, water and temperature?

400

If silica is high then viscosity is ______________.

What is high?

500

This volcano has quiet eruptions.

What is a shield volcano?

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

In what direction is the Pacific Plate moving in order to create the Hawaiian islands?

What is North West?

500

Hot spots are known to create __________.

What is a volcanic island?