Group 1
Group 2
Group 3
Group 4
Group 5
100
Causes vibrations in the ground that results from movement along breaks in the Earth’s lithosphere
What is EARTHQUAKES
100
The area of earthquake and volcano activity around the Ring of Fire
What is PACIFIC
100
Boundary where one tectonic plate descends into the mantle and partially melts
What is CONVERGENT
100
Magma with high silica content
What is ANDESITE
100
Boundary where two tectonic plate separate
What is DIVERGENT
200
To cause to disperse or disappear
What is DISSOLVED
200
P-wave fastest-moving type of seismic wave-causes push-pull motion
What is PRIMARY WAVE
200
S-wave causes particles in the ground to move side to side and up and down at right angles
What is SECONDARY WAVE-
200
Is a depression formed when a volcano’s summit collapse or is blown away by an explosive eruption
What is CALDERA
200
H2o
What is WATER
300
A measure of earthquake magnitude
What is RICHTER SCALE
300
Molten rock below Earth’s surface
What is MAGMA
300
Magma that is rich in silica forms when the mantle mixes
What is CONTINENTAL CRUST
300
Dissolved amounts of viscosity that determines the explosiveness of magma
What is GASES
300
Vent in the Earth’s crust through which molten rock flows
What is VOLCANO-
400
Vent in the Earth’s crust through which molten rock flows
What is VOLCANO-
400
Tiny particles of pulverized volcanic rock and glass
What is VOLCANIC ASH-
400
Molten rock that erupts onto Earth’s surface
What is LAVA
400
Based partly on the earthquake history of an area
What is EARTHQUAKE RISK
400
The point where an earthquake begins
What is FOCUS
500
A measure of damage done by an earthquake
What is MERCALLI SCALE
500
Volcano that is not associated with a plate boundary
What is HOT SPOT
500
Large volcano with gentle slope of basaltic lava
What is SHIELD VOLCANO
500
The main chemical in magma
What is SILICA
500
A flow of fast-moving cloud of ash, hot gases, and rock that explodes from an erupting volcano
What is PYROCLASTIC FLOW
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