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100
Causes vibrations in the ground that results from movement along breaks in the Earth’s lithosphere.
What is Earthquakes?
100
To cause to disperse or disappear
What is Dissolved?
100
A measure of earthquake magnitude.
What is Richter Scale?
100
Tiny particles of pulverized volcanic rock and glass.
What is Volcanic Ash?
100
Molten rock that erupts onto Earth’s surface.
What is Lava?
200
The area of earthquake and volcano activity around the Ring of Fire.
What is Pacific
200
P-wave fastest-moving type of seismic wave-causes push-pull motion.
What is Primary Wave?
200
Molten rock below Earth’s surface.
What is Magma?
200
Based partly on the earthquake history of an area.
What is Earthquake Risk?
200
The point where an earthquake begins.
What is Focus?
300
Boundary where one tectonic plate descends into the mantle and partially melts.
What is Convergent
300
Is a depression formed when a volcano’s summit collapse or is blown away by an explosive eruption.
What is Caldera?
300
Magma that is rich in silica forms when the mantle mixes.
What is Continental Crust?
300
A measure of damage done by an earthquake.
What is Mercalli Scale?
300
Volcano that is not associated with a plate boundary.
What is Hot spot?
400
Magma with high silica content
What is Andesite
400
S-wave causes particles in the ground to move side to side and up and down at right angles.
What is Secondary Wave?
400
Dissolved amounts of viscosity that determines the explosiveness of magma.
What is Gases?
400
Large volcano with gentle slope of basaltic lava.
What is Shield Volcano?
400
The main chemical in magma.
What is Silica?
500
Boundary where two tectonic plate separate.
What is Divergent?
500
H2o
What is Water
500
Vent in the Earth’s crust through which molten rock flows.
What is a Volcano?
500
Large,steep sided volcano that results from explosive eruptions of andesite and rhyolitic s lavas.
What is Composite Volcano?
500
Small,steep-sided volcano that erupts gas-rich, basaltic lava.
What is Cinder Cone Volcano?