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Seismology

Total questions: 32

Worksheet time: 37mins

Name
Class
Date
1.

What causes earthquakes?

a)

Millions of people jumping at once

b)

The earth rotating

c)

The movement of rock

d)

Gravity

2.
Many earthquakes happen along the borders of...
a)
Countries
b)
Tectonic Plates
c)
Climate Zones
d)
None of the above.
3.

What is the fastest moving type of seismic wave?

a)

P-wave

b)

S-wave

c)

Surface waves

d)

All seismic waves travel at the same speed

4.

What seismic feature is located on the Earth's surface?

a)

Epicenter

b)

Fault

c)

Seismograph Station

d)

The earthquake itself

5.

Which body waves cause particles of rock material to move at right angles (perpendicular) to the direction in which the waves are traveling?

a)

Body Waves

b)

P Waves

c)

S Waves

d)

Surface Waves

6.

Which wave has the highest amplitude on a seismograph AND does the most structural damage?

a)

P Wave

b)

S Wave

c)

Surface Wave

7.
Which city is closest to the epicenter?  
a)
A
b)
B
c)
C
8.

Which is NOT True about the triangulation (compass arc drawings) in the picture?

a)

Station 3 is closest to the epicenter

b)

The epicenter is where all three circles intersect.

c)

The Earthquake was the same Magnitude at all stations

d)

Station 2 is the furthest from the epicenter

9.

Which of the following is TRUE?

a)

A shows the arrival of P-waves

b)

B shows the arrival of S-waves

c)

C shows the arrival of surface waves

d)

The picture is of a seismogram

e)

All answers are true

10.
What is the lag time?  
a)
30 sec
b)
86 sec
c)
56 sec
d)
140 sec
11.

What are the two types of earthquake BODY waves?

a)

P and S waves

b)

Surface and Underground waves

c)

Fast and Slow waves

12.

Which of the following is TRUE about P-wave shadow zones?

a)

There is 1 large shadow zone

b)

There are 2 smaller shadow zones (due to refraction of waves)

c)

There are NO P-wave shadow zones

d)

P-waves do not travel through the Earth

13.

Which of the following is TRUE about S-wave shadow zones?

a)

There is 1 large shadow zone (since transverse waves cannot travel through the Earth's liquid outer core)

b)

There are 2 smaller shadow zones (due to refraction of waves)

c)

There are NO P-wave shadow zones

d)

P-waves do not travel through the Earth

14.

What is a numerical scale used measure the magnitude or energy release of an earthquake?

a)

ricter scale

b)

seismograph

c)

siesmogram

d)

mercalli scale

15.
Which seismic wave does a seismograph detect first?  
a)
P Wave
b)
S Wave
c)
Surface Wave
16.
a type of seismic wave that compresses and expands the ground
a)
surface wave
b)
S wave
c)
P wave
d)
Plateau
17.
Which letter is marked at the crests of the wave?
a)
C
b)
A
c)
B
d)
D
18.
Which letter is marked at the troughs of the wave?
a)
C
b)
A
c)
B
d)
D
19.
What kind of wave is this?
a)
Transverse Wave
b)
Longitudinal Wave
20.
What kind of wave is this?
a)
Transverse
b)
Longitudinal
21.
What is transferred through a wave?
a)
Light
b)
Energy
c)
Water
d)
Air
22.
Which body wave is pictured?
a)
P-Wave
b)
S-Wave
c)
Rayleigh Wave
d)
Love Wave
23.
Earthquakes happen every day. Most are too small for humans to notice.
a)
True
b)
False
24.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
25.
Which process prevented P-waves from arriving at seismic station B?
a)
Refraction
b)
Reflection
c)
Convection
d)
Conduction
26.
Only P-waves were recorded at seismic station C because P-waves travel
a)
Only through Earth’s interior, and S-waves travel only on Earth’s surface
b)
Fast enough to penetrate the core, and S-waves travel too slowly
c)
Through iron and nickel, while S-waves cannot
d)
Through liquids, while S-waves cannot
27.

What is an earthquake wave that follows the main shock of an earthquake?

a)

body wave

b)

P wave

c)

aftershock

d)

S wave

28.

What is the point on the surface of the earth directly above the focus of an earthquake?

a)

epicenter

b)

fault

c)

focus

d)

intensity

29.

What is the location where the rupture of an earthquake begins and energy is released called?

a)

epicenter

b)

focus

c)

intensity

d)

S wave

30.

What is a measure of the damage done by an earthquake called?

a)

epicenter

b)

magnitude

c)

intensity

d)

focus

31.

What is a measure of the total amount of energy released at the focus of an earthquake called?

a)

intensity

b)

magnitude

c)

seismic wave

d)

epicenter

32.

What is a series of sea waves caused by underwater earthquakes called?

a)

storm surge

b)

rip current

c)

tsunami

d)

massive flooding

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