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Dec 8th CW: Earthquake Waves

Total questions: 55

Worksheet time: 40mins

Name
Class
Date
1.
Which type of wave arrives to a point first?
a)
Primary Waves (P-Waves)
b)
Secondary Waves (S-Waves)
c)
Rayleigh Waves
d)
Love Waves
2.
Which body wave is pictured?
a)
P-Wave
b)
S-Wave
c)
Rayleigh Wave
d)
Love Wave
3.
We use this tool to measure seismic waves during earthquakes
a)
Seismographs
b)
magnitude
c)
actual magnitude
d)
sonograph
4.
This is the area beneath the Earth's surface where the earthquake begins
a)
epicenter
b)
focus
c)
fault line
d)
tectonic plate
5.
P Waves travel through...
a)
Solids
b)
Liquids
c)
Both
6.
S Waves travel through...
a)
Soilds
b)
Liquids
c)
Both
7.
These are the first waves released during an earthquake
a)
S waves
b)
Surface Waves
c)
P waves
8.
These are the secondary, or second waves to be released. They cannot travel through the liquid outer core
a)
S waves
b)
Surface Waves
c)
P waves
9.
This is the area above ground where the earthquake starts
a)
focus
b)
epicenter
c)
p waves
d)
plate boundary
10.
A written record of earthquake motion is called a ___________________.
a)
seismograph
b)
seismogram
c)
seismologist
d)
seismometer
11.
True or False
The Earth's core is liquid surrounded by a solid outer core
a)
True
b)
False
12.
Energy from an Earthquake travels as.....
a)
seismic waves
b)
intergalactic waves
c)
sound waves
d)
plasma waves
13.
The Ring of Fire is
a)
a group of oceans
b)
circus act
c)
chain of earthquakes in the NW
d)
chain of volcanoes in the Pacific Ocean
14.
What causes the tectonic plates of Earth to continually move?
a)
convection currents in the mantle
b)
volcanic and seismic activity in the crust
c)
strong winds and storms
d)
rotation of the solid core
15.
What are the "waves" called that come from an earthquake?
a)
Thunder
b)
Seismic 
c)
Hang 10
d)
Lava
16.
What is a weakness or crack/break in the lithosphere that can shift and create an earthquake?
a)
Earthquake
b)
Epicenter
c)
Fault
d)
Focus
17.
What is the point at which the first movement occurs during an earthquake?
a)
Epicenter
b)
Focus
c)
Fault
d)
Plate
18.
What is the point on the Earth’s surface directly above the focus of an earthquake?
a)
Epicenter
b)
Fault
c)
Hypocenter
d)
Tremor
19.
Which type of wave is the first to arrive after an earthquake occurs?
a)
P- Wave
b)
Rayleigh Wave
c)
S- Wave
d)
Shear Wave
20.
Which body wave compresses and stretches rock materials as it passes through the Earth's interior?
a)
Body Waves
b)
P- Waves
c)
S- Waves
d)
Surface Waves
21.

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

a)

Body Waves

b)

P- Waves

c)

S- Waves

d)

Surface Waves

22.

What do you call the instrument that records and measures seismic waves?

a)

seismograph

b)

seismometer

c)

seismogram

d)

seismophone

23.

According to the picture above which shows the secondary waves?

a)

A

b)

B

c)

C

24.

According to the image above which letter shows primary waves?

a)

A

b)

B

c)

C

25.

T/F? The point on the surface, directly above the focus of an earthquake, is known as the epicenter.

a)

True

b)

False

26.

What causes the up-and-down wiggles on the seismogram shown above?

a)

tsunami waves

b)

ground vibrations

c)

electromagnetic pulses

d)

variations in air pressure

27.

Which of the following statements BEST describes secondary waves (S-waves)?

a)

circular motions like an ocean wave

b)

snake-like motions parallel to the Earth's surface

c)

contractions and expansions that are in the direction of wave propagation

d)

shearing motions that are at right angles to the direction of wave propagation

28.

What is the useful information regarding the composition of the interior of the Earth can be derived from earthquake waves?

a)

It changes radioactive decay rates of rocks.

b)

It releases materials from within the Earth.

c)

It travels through the Earth at a constant speed.

d)

It travels at different rates through different materials.

29.

Which of the following earthquake waves can travel through both solids and fluids?

a)

P waves only

b)

S waves only

c)

Q-waves only

d)

Both P and S waves

30.

Which statement best explains why the P-wave of an earthquake arrives at a seismic station before the S-wave?

a)

The S wave originates from the earthquake focus.

b)

The P wave has a greater velocity than the S wave.

c)

The P wave originates from the earthquake epicenter.

d)

The S wave decreases in velocity as it passes through the liquid.

31.

An earthquake occurs because:

a)

Rocks store potential energy and then release it as kinetic energy

b)

Rocks store kinetic energy and then release it as potential energy

c)

Rocks store constructive energy and then release it as destructive energy

d)

Rocks store physical energy and then release it as wave energy

32.

What happens to P-waves and S-waves from an earthquake when they reach the outer core?

a)

S-waves are transmitted through the outer core, but P-waves are not transmitted.

b)

P-waves are transmitted through the outer core, but S-waves are not transmitted.

c)

Both P-waves and S-waves are transmitted through the outer core.

d)

Neither P-waves nor S-waves are transmitted through the outer core.

33.

A seismic station recorded the P-waves, but no S-waves, from an earthquake because S-waves were

a)

absorbed by Earth’s outer core

b)

transmitted only through liquids

c)

weak and detected only at nearby locations

d)

not produced by this earthquake

34.

Which process prevented P-waves from arriving at seismic station B?

a)

refraction

b)

reflection

c)

convection

d)

conduction

35.

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

36.

What is the pressure and temperature at location D?

a)

1.5 million atmospheres

b)

3.1 million atmospheres

c)

0.2 million atmospheres

d)

6.5 million atmospheres

37.

What is the instrument used to measure earthquakes?

a)

Seismograph

b)

Seismologist

c)

Scale

d)

Seismogram

38.

S-waves can move through which of the following?

a)

Gas

b)

Liquid

c)

Solid

d)

All of these

39.
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
40.

Which wave can travel through all materials?

a)

P - primary

b)

S - secondary

c)

L - Long

41.

Which wave can travel through solids only?

a)

P - Primary

b)

S - Secondary

c)

Surface

42.

The boundary between the Earth's crust and asthenosphere:

a)

Lithosphere

b)

Moho

c)

Strike - slip

d)

Troposphere

43.

How do scientists know that the outer core is a liquid?

a)

P waves do not travel through the outer core but S waves do.

b)

S waves do not travel through the outer core but P waves do.

c)

P waves and S waves do not travel through the outer core.

d)

P waves and S waves travel through the outer core.

44.

A STRONG earthquake on the Modified Mercalli Scale would be rated as

a)

II intensity

b)

IX intensity

c)

VI intensity

d)

VIII intensity

45.
Which scale rates earthquakes based on the amount of damage done?
a)
Mercalli Scale
b)
Richter Scale
c)
Seismogram Scale
d)
Bernoulli Scale
46.
Here is a picture of a seismogram. Which seismic wave reaches the station first?
a)
P Wave
b)
S Wave
c)
H Wave
d)
L Wave
47.

Two plates moving away from each other can create _______ at a boundary under the ocean, creating new crust.

a)

subduction

b)

divergence

c)

sea-floor spreading

d)

tension

48.

A zone of ______ is created when old crust is destroyed and deep ocean trenches are formed.

a)

sea-floor spreading

b)

transform boundary

c)

subduction

d)

mid-ocean ridges

49.

When two plates move toward each other, it is called a _____ boundary and it can eventually become a _____ fault.

a)

convergent; reverse

b)

convergent; normal

c)

divergent; normal

d)

divergent; reverse

50.
What type of fault is the San Andreas?
a)
Convergent
b)
Transform
c)
Optimus Prime
d)
Divergent
51.

What type of fault is this?

a)

normal fault

b)

reverse fault

c)

strike-slip fault

52.
A fault caused by rocks moving together
a)
normal fault
b)
reverse fault
c)
slip strike fault
53.

Is this a Normal, Reverse or Strike-slip fault?

a)

Normal

b)

Reverse

c)

Strike-Slip

d)

Your

54.

Is this a Normal, Reverse or Strike-slip fault?

a)

Strike-slip

b)

Reverse

c)

Normal

d)

My fault

55.

What type of fault is this?

a)

Normal

b)

Reverse

c)

Strike-slip

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