WorksheetsLesson 3: Recording Earthquake Waves
Total questions: 21
Worksheet time: 16mins
Name
Class
Date
1.
What are the fastest seismic 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.
What is the minimum number of seismograph stations needed to locate an earthquake epicenter?
a)
1
b)
2
c)
3
d)
1 billion
5.
Seismographs detect and record_______ waves
a)
sound
b)
light
c)
seismic
d)
radio
6.
Primary waves are ______________ waves, meaning they cause material to compress and expand.
a)
violent
b)
compression
c)
shear
d)
transverse
7.
Which wave arrives first to the seismic station?
a)
P - Primary
b)
S - Secondary
c)
Surface
8.
Which wave arrives second 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.
What happens to lag time the further you are from the epicenter?
a)
Increases
b)
Decreases
c)
Stays the same
d)
What is lag time?
11.
Where is the epicenter located?
a)
A
b)
B
c)
C
d)
There is no epicenter
12.
Where is the focus located?
a)
A
b)
B
c)
C
d)
There is no focus
13.
Which of these places is likely to have an earthquake?
a)
California because of the San Andreas fault
b)
Iowa because of the corn fault
c)
New York because of the Empire Fault
d)
No places are more likely to have earthquakes than others
14.
Which letter represents the movement created by the P Wave?
a)
A
b)
B
c)
C
15.
What is the lag time?
a)
30 sec
b)
86 sec
c)
56 sec
d)
140 sec
16.
What is directly above the focus?
a)
Epicenter
b)
Fault
c)
Seismograph Station
17.
Which seismic wave does a seismograph detect first?
a)
P Wave
b)
S Wave
c)
Surface Wave
18.
Which city is closest to the epicenter?
a)
A
b)
B
c)
C
19.
Where is the epicenter for this earthquake located based on triangulation?
a)
A
b)
B
c)
C
d)
D
20.
According to the diagram, which of these would NOT be the best rescue dog?
a)
Labrador Retriever
b)
Poodle
c)
Bloodhound
d)
Border Collie
21.
A rescue dog must begin training as a puppy.
a)
True
b)
False
100 %
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