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Earth Science Chapter 6 Flashcards | StudBud
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Earth Science Chapter 6
Earth Science Chapter 6
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1
The Modified Mercalli Intensity scale measures earthquake ___________.
wave duration
damage
magnitude
wave speed
2
Rayleigh waves and Love waves are both examples of __________.
P waves
Tremor waves
Surface waves
S waves
3
Which one of the following terms does not belong with the rest?
moment magnitude
Rayleigh
Richter
Modified Mercalli Intensity scale
4
Which of the following is an example of tension?
the rolling of a rock along the bottom of a raging river
the force that a rock exerts as it strikes a road after tumbling down hill
the force that a rock climber exerts on the rope as he reppels down a cliff
the sliding of two layers of rock across each other during a mudslide
5
Earthquakes are most common
in the center of continental plates
near the edges of tectonic plates
in the Norht and South Poles
in river valleys
6
Secondary, smaller earthquakes that result from a major earthquake are called_______.
strike slips
epicenter
afershocks
dip slips
7
An instrument that simply detects earth waves is a
seismotracker
seismograph
seismometer
seismoscope
8
Which of the following can cause earthquakes?
all of these
a landslide
slipping of a fault
eruption of a volcano
9
An instrument that both detects and records earth waves is a ___________.
seismometer
seismoscope
seismotracker
seismograph
10
Which of the following is not related to locating an earthquake?
overthrust
focus
epicenter
seismic wave
11
The Richter scale goes from 1 to 10.
True
False
12
Which of the following statesments is true?
a reverse fault is a type of dip-slip fault
a locked fault must be a dip-slip fault
a transform fault is a type of dip-slip fault
a normal fault is a type of strike-slip fault
13
One quake measures 6.0 and another measures 7.0. How does the second quakes energy compare with the that of the first?
It is ten times more energetic
It does one time more the amount of damage
It has slightly more energy
It has about thirty-two times more energy
14
An impending earthquake
all the above
can sometimes be sensed by animals
can alter water table levels underground
cannot be reliable predicted
15
subduction would most likely be occurring at a ___________ boundary.
convergent
normal
divergent
transform
16
What fault do most secular geologists believe could explain how older fossils were placed above the younger fossils?
overthrust
superposition
contact
strike-slip
17
Architects can't design buildings to withstand an earthquake
False
True
18
An ocean wave caused by an earthquake is called a ______________.
breaker
tsunami
L wave
tidal wave
19
The angle that the face of a fault makes with the horizontal is its ____________.
strike
slip
dip
stress
20
Earthquakes can happen in places where there isn't a known fault.
False
True
21
What is the major difference between a fault and a joint?
Faults involve visible movement of rocks but joints do not
Faults occur on land while joints are found beneath the ocean
Faults connot cause earthquakes but joints can
Faults are always bigger than joints
22
An earthquake's intensity is directly related to the size of the seismic wave.
False
True
23
What is the name of the longest strike-slip fault in southern California?
San Andreas Fault
Los Angeles Fault
San Mateo Fault
New Madrid Fault
24
Earthquakes occur in mountain regions, landslides are a significant earthquake hazard to those that live in such places.
True
False
25
Most major faults in the United States are found in ____________.
mountain ranges
inland prairies
southwestern deserts
coastal plains
26
The properties of a material that allows it to change shape without breaking under stress is
brittleness
both A and C
ductility
elasticity
27
Seismic waves travel
in all these ways
only on the earth's surface
through the earth, but not the core
through the earth, including the core
28
Most earthquake foci are located very deep in the earth's interior.
False
True
29
Most earthquakes are too gentle for people to feel.
False
True
30
The horizontal direction of a fault is its _________________
strike
dip
stress
slip
31
Major faults are most often associated with mountain ranges.
True
False
32
All types of rock, when under stress, respond in the same way.
False
True
33
Some earthquakes occur along faults that are not tectonic boundaries.
False
True
34
Rocks in the crust can bend, stretch, and compress a little.
False
True
35
Which earthquake magnitude scale do geologist use to report to the public?
the Modified Mercalli Intensity scale
the moment magnitude scale
the Richter scale
the linear scale
36
Scientists now have the technology to predict earthquakes and warn people days in advance.
False
True
