Show:
Earthquakes
Earthquakes and Boundaries
Other
Volcanoes 1
Volcanoes 2
100
Causes vibrations in the ground that results from movement along breaks in the Earth’s lithosphere
What is Earthquakes?
100
The point where an earthquake begins
What is Focus?
100
The area of earthquake and volcano activity around the Ring of Fire
What is Pacific?
100
Magma with high silica content
What is Andesite?
100
Tiny particles of pulverized volcanic rock and glass
What is Volcanic ash?
200
P-wave fastest-moving type of seismic wave-causes push-pull motion
What is Primary Wave?
200
A measure of damage done by an earthquake
What is Mercalli scale?
200
To cause to disperse or disappear
What is Dissolved?
200
Is a depression formed when a volcano’s summit collapse or is blown away by an explosive eruption
What is Caldera?
200
Molten rock that erupts onto Earth’s surface
What is Lava?
300
S-wave causes particles in the ground to move side to side and up and down at right angles
What is Secondary Wave?
300
Boundary where one tectonic plate descends into the mantle and partially melts
What is convergent?
300
Dissolved amounts of viscosity that determines the explosiveness of magma
What is Gases?
300
Molten rock below Earth’s surface
What is Magma?
300
Volcano that is not associated with a plate boundary
What is Hot spot?
400
A measure of earthquake magnitude
What is Richter Scale?
400
Boundary where two tectonic plate separate
What is Divergent?
400
Liquid’s ability to flow
What is Viscosity?
400
Magma that is rich in silica forms when the mantle mixes
What is Continental Crust?
400
Large volcano with gentle slope of basaltic lava
What is Shield Volcano?
500
Based partly on the earthquake history of an area
What is Earthquake Risk?
500
H20
What is Water?
500
The main chemical in magma
What is Silica?
500
Vent in the Earth’s crust through which molten rock flows
What is Volcano?
500
Large,steep sided volcano that results from explosive eruptions of andesite and rhyolitic s lavas
What is composite volcano?