Volcanoes
Vocab
Earthquakes
Miscellaneous
Miscellaneous
100
Lava with a low viscosity.
What is Basaltic Lava?
100
A steep conical hill of volcanic fragments that accumulate around and downwind from a volcanic vent.
What is a Cinder Cone volcano?
100
One who studies earthquakes?
What is a seismologist?
100
When two plates slide past each other.
What is a transform plate boundary?
200
One is on Earth's surface while the other is not.
What is the difference between lava and magma?
200
Rock fragments and particles ejected by a volcanic eruption.
What is tephra?
200
The San Andreas fault.
What is a strike-slip fault?
200
original 'super continent."
What is Pangea?
200
Small tephra, which are bits of pulverized rock and glass created by volcanic eruptions
What is volcanic ash?
300
A mass of molten rock (tephra) larger than 64 mm (2.5 inches) in diameter, formed when a volcano ejects viscous fragments of lava during an eruption.
What are volcanic bombs?
300
Location of a particularly large flow of heat from the interior of the planet.
What is a hot spot?
300
A fault in which the upper side appears to have been pushed upward by compression.
What is a reverse fault?
300
A numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations.
What is the Richter Scale?
300
A measure of how much damage an earthquake causes
What is intensity?
400
A small piece, size of a grain of rice, of partly burned coal or wood that has stopped giving off flames but still has combustible matter in it.
What are cinders?
400
The state of being thick, sticky, and semifluid in consistency, due to internal friction.
What is viscosity?
400
An inclined fault in which the hanging wall appears to have slipped downward relative to the footwall.
What is a normal fault?
400
A reverse fault is formed through...
What is tensional stress?
400
Rhyolitic, Andesitic, and Basaltic
What are 3 types of lava?
500
The most violent type of volcano.
What is a Composite Cone or Strato-volcano?
500
Controls the viscosity of the lava.
What is silica?
500
Used to determine the epicenter of a volcano.
What is triangulation?
500
Fine-grained lava that erupts or flows from a volcano before settling on the ground.
What is volcanic dust?
500
To determine how far away from a seismograph station an earthquake occurred, scientists look at...
What are the P and S wave arrival time.
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