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2
3
4
5
100
H2o
What is water
100
The point where an earthquake begins
What is focus
100
Magma that is rich in silica forms when the mantle mixes
What is continental crust
100
P-wave fastest-moving type of seismic wave-causes push-pull motion
What is PRIMARY WAVE
100
The area of earthquake and volcano activity around the Ring of Fire
What is pacific
200
Tiny particles of pulverized volcanic rock and glass
What is volcanic ash
200
Based partly on the earthquake history of an area
What is EARTHQUAKE RISK
200
Molten rock below Earth’s surface
What is magma
200
To cause to disperse or disappear
What is DISSOLVED
200
Causes vibrations in the ground that results from movement along breaks in the Earth’s lithosphere
What is EARTHQUAKES-
300
Molten rock that erupts onto Earth’s surface
What is Lava
300
Volcano that is not associated with a plate boundary
What is Hot spot
300
A measure of earthquake magnitude
What is RICHTER SCALE
300
Boundary where two tectonic plate separate
What is DIVERGENT
300
The main chemical in magma
What is SILICA
400
Vent in the Earth’s crust through which molten rock flows
What is a volcano
400
Large volcano with gentle slope of basaltic lava
What is shield volcano
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
Magma with high silica content
What is ANDESITE
400
Large,steep sided volcano that results from explosive eruptions of andesite and rhyolitic s lavas
What is COMPOSITE VOLCANO-
500
A measure of damage done by an earthquake
What is Mercalli scale
500
Dissolved amounts of viscosity that determines the explosiveness of magma
What is gases
500
Is a depression formed when a volcano’s summit collapse or is blown away by an explosive eruption
What is CALDERA
500
Boundary where one tectonic plate descends into the mantle and partially melts
What is CONVERGENT
500
Liquid’s ability to flow
What is VISCOSITY
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