Earthquakes
Practice Test
1.
What is a rating from the Richter scale based on?
SC.D.1.4.2
a.
frequency of the waves
b.
size of the largest wave
c.
damage from the largest wave
d.
wavelength of the waves
2.
What are most earthquakes associated with?
SC.D.1.4.2
a.
rift valleys
b.
mid-ocean ridges
c.
divergent plate boundaries
d.
plate boundaries
3.
The __________ states that Earth's crust and ridged upper mantle are broken into plates that move at different rates and in different directions.
SC.D.1.4.2
a.
hypothesis of continental drift
b.
theory of seafloor spreading
c.
theory of plate tectonics
d.
hypothesis of continental movement
4.
What is a rating for an earthquake from the modified Mercalli scale based on?
SC.D.1.4.2
a.
amount of damage
b.
amplitude of the largest wave
c.
frequency of the waves
d.
its P-wave
5.
What is thought to be the driving mechanism of plate movement?
SC.D.1.4.2
a.
volcanoes
b.
conduction of heat in the mantle
c.
continental drifting
d.
convection currents in the mantle
6.
What is the electromagnetic spectrum?
a.
the arrangement of electromagnetic radiation
b.
energy emitted from Earth
c.
visible light
d.
frequencies measured by satellites
7.
What type of mass movement occurred as a result of the eruption of Mount St. Helens?
SC.D.1.4.2
a.
creep
b.
slump
c.
landslide
d.
mudflow
8.
How are fjords formed?
SC.D.1.4.2
a.
tectonic forces
b.
sea level rise
c.
longshore current
d.
global cooling
9.
According to the map, at which latitude and longitude is most likely to experience an earthquake?
SC.D.1.4.2
Click here for figure
a.
60
N, 120
E
b.
0
N, 30
W
c.
0
N, 180
W
d.
30
S, 60
W
10.
What is the process called when one plate is forced beneath another at a convergent plate boundary?
SC.D.1.4.2
a.
subtraction
b.
transformation
c.
subduction
d.
convergence
11.
The record produced by a seismometer is called a __________.
SC.D.1.4.2
a.
seismochart
b.
plot
c.
seismograph
d.
seismogram
12.
Volcanoes that form far from plate boundaries form as the result of __________.
SC.D.1.4.2
a.
cinder cones
b.
divergent plate boundaries
c.
volcanic bombs
d.
hot spots
13.
Rock fragments thrown into the air during a volcanic eruption are called __________.
SC.D.1.4.2
a.
tephra
b.
extrusive
c.
lava
d.
granite
14.
How are the convection currents set in motion?
SC.D.1.4.2
a.
spreading mid-ocean ridges
b.
slab push and ridge pull
c.
slab push
d.
the heat from radioactive decay
15.
According to the seismogram shown in the figure, which wave is the fastest?
SC.D.1.4.2
a.
Tidal wave
b.
S-wave
c.
Surface wave
d.
P-wave
16.
Which type of fault results in horizontal shortening?
SC.D.1.4.2
a.
reverse
b.
strike-slip
c.
shear
d.
normal
17.
A large ocean wave that is generated by vertical motions of the seafloor during an earthquake is called a
n
__________.
SC.D.1.4.2
a.
upwelling current
b.
tidal range
c.
seiche
d.
tsunami
18.
All mass movement occurs __________.
SC.D.1.4.2
a.
on a slope
b.
on a flat
c.
because of an earthquake
d.
because of heavy precipitation
19.
What breaks mid-ocean ridges into smaller sections?
SC.D.1.4.2
a.
abyssal plains
b.
fracture zones
c.
submarine canyons
d.
shelf breaks
20.
What does GPS stand for?
a.
Global Positioning System
b.
Geodial Position Satellite
c.
Global Potential Satellite
d.
Geographic Positioning System
