To help you master concepts from Chapter 7 (Earthquakes), take this sample examination and feel the Earth move under your feet!

1		The elastic rebound theory: Need a Hint?
			A)	explains folding of rocks.
			B)	explains the behavior of seismic waves.
			C)	explains the origins of earthquakes.
			D)	none of these
2		The point within the Earth where seismic waves originate is: Need a Hint?
			A)	the focus.
			B)	the origin.
			C)	the fault scarp.
			D)	the epicenter.
3		P-waves are: Need a Hint?
			A)	shearing body waves.
			B)	tensional surface waves.
			C)	compressional body waves.
			D)	transverse surface waves.
4		The minimum number of seismic stations needed to locate an earthquake is: Need a Hint?
			A)	1
			B)	3
			C)	2
			D)	8
5		The Richter Scale is used to determine: Need a Hint?
			A)	the number of casualties in an earthquake.
			B)	the damage from earthquakes.
			C)	the magnitude of earthquakes.
			D)	intensity of earthquakes.
6		Benioff Zones are associated with: Need a Hint?
			A)	mid-ocean ridges.
			B)	subduction zones.
			C)	ancient mountain chains.
			D)	all of these
7		Most earthquakes at divergent plate boundaries are: Need a Hint?
			A)	deep focus.
			B)	intermediate focus.
			C)	shallow focus.
			D)	all of these
8		Most earthquakes at convergent boundaries are: Need a Hint?
			A)	deep focus.
			B)	shallow focus.
			C)	intermediate focus.
			D)	all of these
9		A zone of shallow earthquakes along normal faults is typical of: Need a Hint?
			A)	transform plate boundaries.
			B)	convergent plate boundaries.
			C)	divergent plate boundaries.
			D)	none of these
10		A seismic gap is: Need a Hint?
			A)	a large chasm opened by an earthquake.
			B)	the center of a tectonic plate where earthquakes rarely occur.
			C)	a segment of an active fault where earthquakes have not occurred for a long time.
			D)	the time between large earthquakes.
11		Which of the following is characteristic of a tsunami? Need a Hint?
			A)	very low amplitude in the open ocean
			B)	very fast moving
			C)	very long wavelength
			D)	all of these
12		The fastest seismic waves are: Need a Hint?
			A)	Love Waves
			B)	Rayleigh Waves
			C)	S-waves
			D)	P-waves
13		The first seismic waves to arrive at a seismic station are: Need a Hint?
			A)	Rayleigh waves
			B)	Love waves
			C)	S-waves
			D)	P-waves
14		The first motion of an earthquake detected at a seismic station (is): Need a Hint?
			A)	meaningless in the analysis of earthquakes.
			B)	varies depending on the earthquake location relative to the seismic station.
			C)	always dilatational.
			D)	always compressional.
15		Analyses of earthquake first motions are useful for: Need a Hint?
			A)	determining the depth of an earthquake.
			B)	determining the style of faulting that caused an earthquake.
			C)	determining the magnitude of an earthquake.
			D)	determining the location of an earthquake.
16		Analyses of seismograph records cannot provide information on: Need a Hint?
			A)	the depth of the earthquake.
			B)	the number of fatalities in an earthquake.
			C)	the location of the earthquake.
			D)	the magnitude of the earthquake.
17		Which of the following states has a significant seismic hazard? Need a Hint?
			A)	Arkansas
			B)	Tennessee
			C)	California
			D)	all of these
18		The process of fluidizing water-saturated soil during an earthquake is known as: Need a Hint?
			A)	gelatinization.
			B)	quick sand.
			C)	liquefaction.
			D)	none of these
19		Among the secondary effects of large earthquakes are: Need a Hint?
			A)	fires.
			B)	landslides.
			C)	tsunamis.
			D)	all of these
20		Which of the following areas is most likely to experience a large magnitude earthquake? Need a Hint?
			A)	southern Australia
			B)	Arctic Canada
			C)	eastern Brazil
			D)	southern California