(Blank)
once magma reaches the surface what is it called?
lava
Hot spots occur on what?
Far from plate boundaries
magma leaves a volcano through a what?
Vent
a volcano that is no longer erupting but is likely to erupt in the future is called a what?
Dormant
which type of volcano has ash build up around the vent and has steep sides?
Cinder Cone
stratovolcano is another term for which volcano?
Composite
lava plateaus form as a result of a giant crack, also called a _____. that lava oozes from and cools to form mostly flat feature.
Fissure
A ____ is an opening or depression at the top of a volcano caused by eruptions.
crater
which of the following are not where volcanoes are commonly found?
Transform Boundaries
What do scientists call a location where a column of extremely hot mantle rock rises up?
Hot spot
which choice accurately describes the relationship between temperate and viscosity?
The higher the temperature, the lower the viscosity.
lava bombs are...
large chunks of lava that cools in the air after an eruption and fall to the ground.
Kilauea is an example of which type of volcano?
shield
what is a conduit?
the tunnel where lava travels from the magma chamber to the surface.
what is an extinct volcano?
a volcano that no longer erupts and will never erupt again.
what is a pyroclastic flow? (only one answer is enough )
Deadly, fast moving clouds of extremely hot ash, gas and lava and made of toxic gases and move with enough force to level an entire forest and Produced by composite volcanoes.
what type of volcano forms from a non-explosive quiet eruptions of mostly lava flows?
shield volcanoes
these form when the interior magma chamber empties and the roof of the volcano collapses.
caldera
Mt. St. Helen is an example of which type of volcano?
Composite
ash from volcanoes can cause...
Respiratory problems,Chronic medical problems, and
Skin inflammation.