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Vocabulary 1-5
Vocabulary 5-10
Vocabulary 10-15
Vocabulary 15-20
Vocabulary 20-25
100
Boundary where two tectonic plate separate
What is Divergent
100
The point where an earthquake begins
What is focus
100
Molten rock that erupts onto Earth’s surface
What is Lava
100
H2o
What is water
100
To cause to disperse or disappear
What is dissolved
200
The area of earthquake and volcano activity around the Ring of Fire
What is Pacific
200
Causes vibrations in the ground that results from movement along breaks in the Earth’s lithosphere
What is Earthquakes
200
A flow of fast-moving cloud of ash, hot gases, and rock that explodes from an erupting volcano
What is PYROCLASTIC FLOW
200
Liquid’s ability to flow
What is VISCOSITY
200
Small,steep-sided volcano that erupts gas-rich, basaltic lava.
What is CINDER CONE VOLCANO
300
Large,steep sided volcano that results from explosive eruptions of andesite and rhyolitic s lavas
What is COMPOSITE VOLCANO
300
The main chemical in magma
What is SILICA
300
Volcano that is not associated with a plate boundary
What is HOT SPOT
300
Volcano that is not associated with a plate boundary
What is MERCALLI SCALE
300
Based partly on the earthquake history of an area
What is EARTHQUAKE RISK
400
Molten rock that erupts onto Earth’s surface
What is LAVA
400
Tiny particles of pulverized volcanic rock and glass
What is VOLCANIC ASH
400
Large volcano with gentle slope of basaltic lava
What is SHIELD VOLCANO
400
Dissolved amounts of viscosity that determines the explosiveness of magma
What is gases
400
Magma that is rich in silica forms when the mantle mixes
What is CONTINENTAL CRUST
500
Molten rock below Earth’s surface
What is magma
500
A measure of earthquake magnitude
What is righter scale
500
S-wave causes particles in the ground to move side to side and up and down at right angles
What is SECONDARY WAVE
500
Is a depression formed when a volcano’s summit collapse or is blown away by an explosive eruption
What is CALDERA
500
P-wave fastest-moving type of seismic wave-causes push-pull motion
What is PRIMARY WAVE