Plate Tectonics
Seismic Waves
Earthquakes
Volcanoes
Examples
100
Which type of boundary has two plates moving away?
Divergent Plate Boundary
100
Which Waves travel faster?
P Waves
100
The origin of and earthquake is what?
Focus
100
This type of Volcano has a broad base and gently sloping sides.
Shield Volcano
100
Mt. St. Helens is what type of Volcano?
Composite Volcano
200
What is happening to the Atlantic Ocean?
Getting Wider
200
Which waves travel through solids only?
S waves
200
A crack in the earth's surface caused by an earthquake is what?
Fault
200
Composite volcanoes have what type of eruptions?
Explosive Eruptions
200
Japan is located at what type of plate boundary?
Oceanic-Oceanic Convergence
300
How fast do Plates Move?
The same rate your fingernails grow
300
P waves are described as what kind of waves?
Push-Pull
300
What is it called to use 3 seismographs to locate the epicenter of and earthquake?
Triangulation
300
Material shot out of a volcano is called what?
Pyroclastic Material
300
The Himalayas is what type of plate boundary?
Continental-continental convergence
400
Trenches from at which type of plate boundary?
Subduction Zones
400
Lag time is used to determine what?
Distance of the Epicenter
400
The scale that measures magnitude of and Earthquake is what?
Richter Scale
400
Where are composite volcanoes located on Earth?
The Pacific Ring of Fire
400
Mt. Kilauea in Hawaii is what type of Volcano?
Shield Volcano
500
What is the mechanism for plate tectonics?
Convection
500
These waves cause the most damage?
Surface waves
500
How much stronger is a 6.0 EQ than a 5.0 EQ
10 Times
500
What type of magma has low silica content?
Basaltic Magma
500
The East Africa Rift Valley is what type of plate boundary?
Divergent
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