Show:
Forces Inside Earth
Features of Earthquakes
People and Earthquakes
Waves
Vocabulary
100
When rocks break, they move along surfaces called?
What is faults
100
This is the point on Earth's surface directly above the earthquakes focus?
What is Epicenter
100
The height of the lines traced on paper of a seismograph is a measure of the energy that is released?
What is Magnitude
100
Generated by an earthquake _______ _____ travel through the Earth?
What is seismic waves
100
Occurs when wet soil acts more like a liquid during an earthquake?
What is Liquefaction
200
The vibrations produced by the breaking of rocks?
What is earthquake
200
Seismic waves from earthquakes are measured with this instrument?
What is Seismograph
200
__________ occurs in soil under buildings, the buildings can sink into the soil and collapse.
What is Liquefaction
200
The point where this energy is release first occurs here?
What is focus
200
Measure of the energy released during an earthquake?
What is Magnitude
300
Rocks above the fault surfaces moves downward in relation to rocks below the faults surface?
What is normal fault
300
The outer most layer is the?
What is Crust
300
Ocean waves caused by earthquakes are called?
What is tsunamis or seismic sea waves
300
The particles in rocks to move back and forth in the same direction that the wave is traveling?
What is Primary Wave
300
Vibration produced when rocks break along a fault
What is Earthquake
400
If rocks breaks from forces pushing from opposite directions, rock above this surface is forced up and over rock below the fault surface.
What is reverse fault
400
The ___________ is broken into a number of plates the move over the Asthenosphere beneath it?
What is Lithosphere
400
Before a tsunami crashes onto shore, the water along a shoreline might move _______ toward the sea?
What is rapidly
400
__________ _____ move through Earth by causing particles in rocks to move at right angles to the direction of the wave travel.
What is Secondary Wave
400
Surface along which rocks move when they pass their elastic limit and break?
What is fault
500
Rocks on either side of the fault are moving past each other without much upward or downward movement?
What is strike-slip fault
500
The boundary between the crust and upper mantle is called?
What is Mohorovicic Discontinuity or Moho
500
Where would you go if you were in a house while an earthquake was occuring?
What is doorway or a sturdy table/desk
500
________ _____ Move rock particles 9n a backward, rolling motion and a side-to-side, swaying motion.
What is Surface Wave
500
Wave generated by an earthquake
What is seismic wave