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WorksheetsCH 12
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
An area where no direct seismic waves from a particular earthquake can be detected is called ___.
a)
an inactive fault
b)
the mesosphere
c)
a shadow zone
d)
the atmosphere
2.
What are the fastest body waves?
a)
P waves
b)
T waves
c)
S waves
d)
Q waves
3.
To find the distance to an earthquake's epicenter, scientists ____.
a)
chart the lag time between preshocks and aftershocks
b)
use radio wave detection devices
c)
analyze the arrival times of the P waves and S waves
d)
analyze the arrival times of the Love waves and the Rayleigh waves
4.
If you are in a car during an earthquake, you should ____.
a)
drive toward a bridge
b)
stop the car in a safe place
c)
get out and run
d)
park near a tall building
5.
What happens to tsunamis as they move toward shore?
a)
They decrease in height.
b)
They die out.
c)
They turn into riptides.
d)
They increase in height.
6.
Which method is NOT used to PREDICT earthquakes?
a)
detecting changes in rock
b)
monitoring natural gas seepage
c)
assessing building damage
d)
recording foreshocks
7.
If you are indoors during an earthquake, you should ___.
a)
stand near a window
b)
stand on top of a desk
c)
crouch under a desk
d)
get outdoors fast
8.
At what location does the first motion of an earthquake occur?
a)
the focus
b)
the seismic gap
c)
the mantle
d)
the epicenter
9.
What is the epicenter of an earthquake?
a)
the location along a fault where the first motion of an earthquake occurs
b)
a seismic wave that travels along the surface of Earth
c)
the point on Earth's surface directly above the earthquake's focus
d)
the last place that motion in an earthquake is detected
10.
Which of the following is NOT a type of surface wave?
a)
Love
b)
Compression
c)
Raleigh
11.
The longer the lag time between the arrival of P and S waves, ___________.
a)
the closer the earthquake occurred
b)
the weaker the earthquake's vibrations
c)
the farther away the earthquake occurred
d)
the stronger the earthquake's vibrations
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