Show:
Plate Boundaries
Earth's Interior
Earthquakes
Anonymous
100
Type of boundary where 2 plates move apart...
What is a divergent boundary?
100
The lithosphere is located above this layer...
What is the asthenosphere?
100
The source of an earthquake...
What is the focus?
100
Type of earthquake wave that pushes and pulls rock in the direction it is traveling.
What is a primary wave?
200
Ocean trenches are formed by these; 2 plates collide
What is a convergent boundary?
200
Earth's thin outer layer.
What is the crust?
200
Type of earthquake wave that "shakes" the particles at right angles in the direction it is traveling
What is a secondary wave?
200
A large ocean wave that often results from vertical displacement of the ocean floor during an earthquake...
What is a seismic sea wave or tsunami?
300
No new or old crust if formed by this; 2 plates slide past each other
What is a transform boundary?
300
Layer of the interior that exhibits the characteristics of a mobile liquid composed of iron and nickel...
What is the outer core?
300
The "springing back of rock after it has been deformed...
What is elastic rebound?
300
Determines the magnitude of an earthquake by measuring the amplitude of the largest wave recorded on a seismogram...
What is the Richter Scale?
400
Earthquakes mostly occur along this boundary...
What is a transform boundary?
400
Solid metallic sphere about 1216 kilometers in radius...
What is the inner core?
400
A recording, or trace, of an earthquake.
What is a seismogram?
400
First to explain elastic rebound...
Who is H. Reid?
500
Ocean ridges are formed from this type of boundary...
What is a divergent boundary?
500
The boundary that separates the crust from the mantle...
What is Mohorovicic discontinuity (Moho)?
500
This is determined by measuring the amplitude of the largest wave recorded on the seismogram.
What is magnitude?
500
Earth's layers were first discovered by using...
What is seismic wave velocity or seismic waves?