Chapter 6: Restless Earth: Earthquakes, Geologic Structures, and Mountain Building
Multiple Choice Quiz
Assignment 8
Name: Blake Sullivan
1.
The location on the surface directly above the earthquake focus is called the ____________.
(epicenter)
2.
The cool, rigid layer of Earth that includes the entire crust as well as the uppermost mantle is
called the ____________.
(lithosphere)
3.
The two most common types of folds are anticlines and ____________.
(synclines)
4.
The difference in ____________ of P and S waves provides a method for determining the
epicenter of an earthquake.
(velocities)
5.
The San Andreas fault zone separates two great sections of Earth's crust, the North American
plate and the ____________ plate.
(Pacific)
6.
In areas where unconsolidated materials are saturated with water, earthquakes can turn stable soil
into a fluid during a phenomenon called ____________.
(liquefaction)
7.
Faults where the movement is primarily vertical are called ____________ faults.
(dip-slip)
8.
An earthquake with a Richter magnitude of 6.5 releases ____________ times more energy than
one with a magnitude of 5.5.
(30)
9.
The adjustments of materials that follow a major earthquake often generate smaller earthquakes
called ____________.
(foreshocks)
10.
Which one of the following mountain ranges has formed where continental crusts have
converged?
(Himalaya Mountains)