WorksheetsEarthquakes
Total questions: 25
Worksheet time: 20mins
Name
Class
Date
1.
What are the fastest body waves?
a)
P waves
b)
T waves
c)
S waves
d)
Q waves
2.
Earthquakes generally occur at plate boundaries, where
a)
stress on rocks is greatest
b)
the most rock is found
c)
stress on rocks is low
d)
magnetic pull is greatest
3.
At what location does the first motion of an earthquake occur
a)
the focus
b)
the seismic gap
c)
the mantle
d)
the epicenter
4.
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
5.
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 tht 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
6.
Which wave is the most destructive?
a)
P - Primary
b)
S - Secondary
c)
Surface Wave
d)
Normal
7.
Which wave arrives second to the seismic station?
a)
P - Primary
b)
S- Secondary
c)
Surface
d)
N-Normal
8.
Which wave can travel through solids, liquids, and gases?
a)
P
b)
S
c)
Surface
d)
Seismic
9.
Which of the following is NOT true regarding secondary-waves?
a)
The slowest seismic waves
b)
Transverse waves
c)
Transfer energy
d)
Initiated at the focus
10.
What does a seismograph measure?
a)
The amount of energy released during an earthquake.
b)
The magnitude of an earthquake
c)
The intensity of an earthquake.
d)
The movement of the ground.
11.
These seismic waves compress and expand the ground like an accordion:
a)
p-waves
b)
s-waves
c)
surface waves
d)
z-waves
12.
These seismic waves arrive first to signal an earthquake and can damage buildings.
a)
p-waves
b)
s-waves
c)
surface waves
d)
z-waves
13.
These seismic waves are slower and arrive last but causes severe damage:
a)
p-waves
b)
s-waves
c)
surface waves
d)
z-waves
14.
A sudden release of energy from plate movement creating shaking and trembling is known as:
a)
seismic wave
b)
earthquake
c)
focus
d)
epicenter
15.
This word describes the size of the earthquake:
a)
seismograph
b)
magnitude
c)
focus
d)
epicenter
16.
This famous transform fault is located in the western United States creates significant earthquake activity for California
a)
New Madrid
b)
Denali Fault
c)
Ramapo Seismic Zone
d)
San Andreas
17.
A stress force that pulls Earth's crust apart and becomes thin in the middle is known as:
a)
tension
b)
compression
c)
shearing
d)
uplifting
18.
A stress force that pushes a mass of rock in 2 opposite directions causing rock to break, slip apart or change shape:
a)
tension
b)
compression
c)
shearing
d)
uplifting
19.
A break in the rock of the crust where rock surfaces slip past each other; usually occur along plate boundaries:
a)
focus
b)
epicenter
c)
fold
d)
fault
20.
During a major earthquake, buildings
a)
always remain standing
b)
do not move
c)
may sway or collapse
d)
are never damaged
21.
Which of the following is NOT a cause of tsunamis?
a)
volcanic eruption
b)
tornado
c)
undersea landslide
d)
undersea earthquake
22.
P waves are also known as
a)
secondary waves
b)
compression waves
c)
Love waves
d)
Rayleigh waves
23.
Which of the following are studied to forecast earthquakes?
a)
movement of the planets, bird migration, air temperture
b)
barometric pressure, ocean currents, glacial patterns
c)
animal behavior, environmental changes, weather pattersn
d)
seismic gaps, foreshocks, rock changes
24.
Developed to rate earthquakes according to the level of damage at a given pace:
a)
Mercalli scale
b)
Richter scale
25.
A rating system that estimates the total energy released by an earthquake:
a)
moment magnitude scale
b)
magnitude scale
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