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WorksheetsEarthquakes
Total questions: 55
Worksheet time: 43mins
Name
Class
Date
1.
What are the fastest body waves?
a)
P waves
b)
T waves
c)
S waves
d)
Q waves
2.
At what location does the first motion of an earthquake occur
a)
the focus
b)
the seismic gap
c)
the mantle
d)
the epicenter
3.
How do scientists find the epicenter of an earthquake?
a)
by comparing arrival times of P waves and S waves at several seismograph stations
b)
by digging at several locations and comparing data
c)
by comparing departure times of P waves and S waves at several seismograph stations
d)
by reviewing satellite photos of tsunamis
4.
When seismologist record arrival times of P waves and S waves at several seismograph stations, they are looking for the earthquake's
a)
magnitude
b)
intensity
c)
epicenter
d)
focus
5.
What is the minimum number of seismograph stations needed to locate an earthquake epicenter?
a)
1
b)
2
c)
3
d)
1 billion
6.
One seismograph station, by itself, can determine the
a)
direction of the epicenter
b)
location of the epicenter
c)
distance to the epicenter from the seismograph station
d)
location of the nearest Papa Johns
7.
Primary waves are ______________ waves, meaning they cause material to compress and expand.
a)
violent
b)
compression
c)
shear
d)
transverse
8.
Which wave arrives first to the seismic station?
a)
P - Primary
b)
S - Secondary
c)
Surface
9.
Which wave is the most destructive?
a)
P - Primary
b)
S - Secondary
c)
Surface Wave
10.
Which wave is a push and pull wave?
a)
P - Primary
b)
S - Secondary
c)
Surface
11.
Which wave is moves perpendicular to the motion at right angles?
a)
P - Primary
b)
S - Secondary
c)
Surface
12.
Which wave can only go through solids?
a)
P - Primary
b)
S - Secondary
c)
Surface
13.
Which wave can travel through solids and liquids?
a)
P - Primary
b)
S - Secondary
c)
Surface
14.
What is the name of the place within Earth where the Earthquake begins?
a)
Focus
b)
Epicenter
15.
What is the name of the place on the surface of Earth where the Earthquake begins?
a)
Epicenter
b)
Focus
16.
An area where no direct seismic waves from a particular earthquake can be detected is called
a)
an inactive fault zone
b)
the mesosphere
c)
a shadow zone
d)
the atmosphere
17.
What does the image represent?
a)
Triangulation
b)
Seismograph
c)
Seismogram
d)
Seismic Wave
18.
What does the image represent?
a)
Triangulation
b)
Seismograph
c)
Seismogram
d)
Seismic Waves
19.
What does the image represent?
a)
Triangulation
b)
Seismograph
c)
Seismogram
d)
Seismic Waves
20.
a)
normal fault
b)
reverse fault
c)
strike-slip fault
21.
Scientists use the P and S time difference to tell_____.
a)
the strength of the surface wave
b)
the magnitude of quake
c)
the distance of the epicenter from station
d)
if quake occurred
22.
A fault is ___.
a)
break in lithosphere where movement occurs during quake
b)
violent movement of crust from release in energy
c)
a mini earthquake
d)
a broken rock
23.
What type of fault is shown in the diagram?
a)
Normal
b)
Reverse
c)
Strike Slip
d)
Transform
24.
What type of fault is shown in the diagram?
a)
Normal
b)
Reverse
c)
Strike Slip
d)
Transform
25.
These seismic waves are slower and arrive last but causes severe damage:
a)
p-waves
b)
s-waves
c)
surface waves
d)
z-waves
26.
Rates an earthquake on 1-10 based on magnitude
a)
Richter Scale
b)
Magnitude
c)
Seismograph
d)
Seismogram
27.
Type of force that pulls rocks apart
a)
Tension
b)
Compression
c)
Shear
d)
Normal
28.
Type of force that causes rocks to slide past each other
a)
Tension
b)
Compression
c)
Shear
d)
Normal
29.
80% of all major earthquakes in the world happen here _________.
a)
The Pacific Ring of Fire
b)
The Atlantic Ring of Fire
c)
Caribbean
d)
Gulf Coast
30.
The type of deformation that can hold potential energy is called
a)
Fantastic
b)
Elastic
c)
Plastic
d)
Realistic
31.
The leading theory why earthquakes occur in Earth's crust.
a)
Elastic Rebound
b)
Fault Force
c)
Epicenter Deformation
d)
Plastic Deformation
32.
Convergent boundaries can have which of the following earthquake patterns? (More than one answer is correct).
a)
The deepest earthquakes
b)
The strongest earthquakes
c)
Only weak earthquakes
d)
A diagonal pattern of Earthquakes due to subduction
33.
Which plate boundary generally is known for the weakest and shallowest earth quakes?
a)
Divergent
b)
Transform
c)
Convergent
d)
Convergent with subduction zone
34.
Which of the following is true about P waves? (More than once answer is correct).
a)
They are the fastest
b)
They are often called pressure waves.
c)
They can travel through solids, liquids, and gasses.
d)
They are a side to side or back and forth motion.
35.
Which of the following is true about the S-P Time Method? More than one answer is correct.
a)
It requires information from 3 seismograph stations
b)
It requires drawing triangles.
c)
It helps locate an epicenter.
d)
It uses the time between the S and P waves to find distance to epicenter.
36.
An earthquake scored high on the Richter scale but low on the Mercalli scale. Why?
a)
it probably happened in an area with no people
b)
it was a fast earthquake
c)
because it damaged a lot
d)
impossible to tell
37.
You use a travel-time graph (difference in P and S Wave arrival times) to find:
a)
Distance to epicenter
b)
Distance to fault
c)
Distance to core
38.
Which of the statements best describes the relationship between lag time and distance from epicenter?
a)
The longer the lag time, the closer the distance.
b)
The longer the lag time, the farther the distance.
c)
The shorter the lag time, the farther the distance.
d)
There is no relationship.
39.
What is the term for the process used in order to find the epicenter of an earthquake?
a)
Squaration
b)
Triangulation
c)
Parallelagramination
d)
Pentagonination
40.
The bending, tilting, and breaking of the Earth's crust; the change in the shape of rock in response to stress is called?
a)
Seismology
b)
Deformation
c)
Elastic rebound
d)
Seismic waves
41.
Shortly after an earthquake, what will a station on the other side of the Earth most likely record?
a)
only S waves because P waves cannot travel throught the outer core
b)
only P waves because S waves cannot travel through the outer core
c)
only S because P waves cannot travel through the inner core
d)
only P waves because S waves cannot travel through the inner core
42.
Scientist learned about the interior of the Earth by studying
a)
core samples brough up by drilling
b)
radar images
c)
seismic waves
d)
x-rays
43.
A force that acts on a rock to change the shape or volume is _____.
a)
Stress
b)
Rough
c)
Fault
44.
Which scale is used by seismologist today?
a)
Richter Scale
b)
Moment Magnitude Scale
c)
Modified Mercalli Scale
45.
A type of fault where the hanging wall slides upward...caused by compression.
a)
hanging wall
b)
strike-slip fault
strike-slip fault
strike-slip fault
c)
normal fault
d)
reverse fault
46.
What time of day is most common for tsunamis?
a)
noon
b)
at night
c)
in the early morning
d)
they can occur at any time
47.
Tension stress will form what type of fault?
a)
Normal Fault
b)
Strike-slip fault
c)
Reverse fault
d)
Divergent
48.
The type of fault created from shear stress is
a)
reverse fault
b)
strike-slip fault
c)
normal fault
d)
Moho Fault
49.
What type of fault is this?
a)
normal fault
b)
reverse fault
c)
strike-slip fault
d)
Tenson
50.
What type of stress is involved in creating the great rift valley?
a)
Tenshion
b)
Shearing
c)
Compression
d)
Divergent
51.
Which wave has the highest amplitude on a seismograph AND does the most structural damage?
a)
P Wave
b)
S Wave
c)
Surface Wave
52.
Which city is closest to the epicenter?
a)
A
b)
B
c)
C
53.
What is the lag time?
a)
30 sec
b)
86 sec
c)
56 sec
d)
140 sec
54.
Which body wave is pictured?
a)
P-Wave
b)
S-Wave
c)
Rayleigh Wave
d)
Love Wave
55.
Which of the statements best describes the relationship between lag time and distance from epicenter?
a)
The longer the lag time, the closer the distance.
b)
The longer the lag time, the farther the distance.
c)
The shorter the lag time, the farther the distance.
d)
There is no relationship.
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