Volcanic Emissions
Parts of a Volcano
Types of Volcanoes
Geothermal Energy
Misc.
100
Magma that reaches the Earth's surface.
What is lava?
100
A volcano begins to form when magma forces its way to the surface and breaks through a hole or ____________.
What is a vent?
100
A volcano having no historical record of eruption and showing no seismic indications of activity deep underground.
What is an extinct volcano?
100
Is Geothermal energy a major source of electricity in the US?
What is no?
100
This volcano is located in the state of Washington.
What is Mt. Saint Helen's?
200
Tiny, angular, glassy fragments.
What is ash?
200
The depression found at the top of most volcanic cones.
What is a crater?
200
Most of earth's volcanoes are these types of volcanoes.
What are stratovolcanoes?
200
What a geyser is heated by.
What is magma?
200
The type of rock volcanoes are made of.
What is igneous rock?
300
Streamlined mass of ejected lava that solidified in flight.
What is a bomb?
300
An enlarged depression caused by an explosion or the collapse of a volcanic cone.
What is a caldera?
300
A volcano that emits lava and solid debris in alternately quiet explosive eruptions.
What is a stratovolcano?
300
A spring that periodically ejects large quantities of hot water and steam.
What is a geyser?
300
Where pillow lava forms.
What is underwater?
400
This type of emission contains both gases and hot solid particles.
What is a pyroclastic flow or glowing avalanche?
400
A vent in the ground through which hot gases escape.
What is a fumarole?
400
A volcano that emits mostly cinders, ashes, and bombs.
What is a cinder cone volcano?
400
The internal energy of the earth, particularly evident in areas where hot springs and geysers exist, is sometimes harnessed for man's use.
What is Geothermal Energy?
400
This volcanic eruption affected the entire earth's weather for a full year.
What is Mt. Tambora?
500
A layer of loose pyroclastic materials and ash covering the ground.
What is tephra?
500
Name two types of plutons.
What are batholiths and laccoliths?
500
A volcano that emits mostly lava in quiet eruptions.
What is a shield volcano?
500
Where the hydrothermal circuit is best seen.
What is in the eruption of a geyser?
500
The Roman god the term volcano came from.
Who is Vulcan?
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