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Formation of Volcanoes
Magma/Lava
Types of Volcanoes
Miscellaneous
Vocab
100
Molten mixture of rock-forming substances, gases, and water from the mantle
What is magma
100
This is molten rock above ground
What is lava
100
a live volcano that is currently erupting or has shown signs that it may erupt in the near future
What is an active volcano
100
the richter scale measures this
What is an earthquake
100
usually cone-shaped landform produced by erupted magma
What is a volcano
200
The place where magma comes from
What is the (upper) mantle
200
This is molten rock below ground
What is magma
200
formed from only quiet eruptions
What is a shield volcano
200
A break in the Earth's crust along which blocks of crust slide past each other
What is a fault
200
Tiny, powder-like fragments
What is ash
300
the name of the bowl-shaped area that forms at the top of a volcano
What is the crater
300
This material changes the thickness of lava
What is silica
300
a dead volcano that is unlikely to erupt again
What is an extinct volcano
300
The hotter the magma...
What is the faster it will flow
300
a stream of runny, hot lava.
What is lava flow
400
The volcanic belt formed along boundaries of tectonic plates in the Pacific Ocean
What is the Ring of Fire
400
This is fast moving hot lava
What is pahoehoe
400
the crater that is left behind after a volcano "blows" itself up
What is a caldera
400
The higher the silica content...
What is the higher it's viscosity
400
a compound in magma made of particles of oxygen and silicon
What is silica
500
Volcanoes can happen at these type of boundaries
What are divergent and convergent boundaries.
500
The physical property of a liquid's resistance to flow
What is viscosity
500
a volcano that forms from alternating quiet and explosive eruptions
What is a composite volcano
500
Kilaeua, Hawaii is this type of volcano
What is a shield volcano
500
a cloud of hot ash, embers, and poisonous gas that has the power to know over trees and small buildings
What is pyroclastic flow