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