Where magma collects under a volcano
What is the magma chamber?
Large area surrounding the Pacific Ocean that contains many volcanoes
What is the Ring of Fire?
These volcanoes are flat and wide
What are shield volcanoes?
A volcano that is currently erupting
What is active?
Magma when it reaches the surface
What is lava?
The opening at the top of the volcano (and sometimes on the sides)
This famous islands are created from a hot spot
What are the Hawaiian Islands?
What are Cinder Cone Volcanoes?
A volcano that will never erupt again
What is extinct?
What are bombs?
Tube inside the volcano that allows magma to rise out of the magma chamber
What is the pipe?
Mt. St. Helen's is located in this state
What is Washington State?
A crack in Earth's surface where magma escapes from deep underground
What is a hot spot?
What is dormant?
Volcano form commonly at these boundaries where two plates collide together
What is a convergent boundary?
The bowl shape top created after an eruption in some volcanoes
What is the crater?
Japan is an example of two colliding oceanic plates creating these
What are island arcs?
Another term for a composite volcano
What is a stratovolcano?
A volcano that is expected to erupt soon
What is an active volcano?
Hot cloud of ash and dust that speeds down the side of a volcano during some eruptions
What is pyroclastic flow?
This forms when a volcano erupts violently and then collapses on itself
What is a caldera?
Mount Fiji is located in this country
What is Japan?
A composite volcano is composed of alternating layers of these two things.
What are lava and ash?
Mt. St. Helen's is in this stage
What is dormant?
This rock forming material is what determines if a volcano eruption will be quiet or explosive. (don't say magma)
What is silica?