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WorksheetsVolcanoes and Earthquakes
Total questions: 50
Worksheet time: 1hrs 5mins
Name
Class
Date
1.
Which travels fastest, always being the first detected by seismic stations?
a)
P waves
b)
S waves
2.
A line of volcanic activity that surrounds the Pacific Ocean basin is the
a)
Ring of Fire
b)
Aleutian Islands
c)
Hawaiian Islands
d)
Caribbean Islands
3.
Hotspots are better able to form on ____ lithosphere.
a)
oceanic
b)
continental
4.
Waves move out through the ground from the ..........
a)
rift
b)
focus
c)
epicenter
d)
fault line
5.
A subduction zone is formed...
a)
when one tectonic plate sinks below another
b)
at every type of convergent plate boundary
c)
at every type of divergent plate boundary
d)
at transform boundaries
6.
What do geologists notice about the rocks along the sea floor?
a)
They get older as they get farther away from mid ocean ridges
b)
They get thicker closer to continents
c)
Density is impossible to measure
d)
Youngest parts of the crust are along the continents
7.
The volcanoes on the Hawaiian Islands form due to which of the following?
a)
Divergent Boundary
b)
Hot Spot
c)
Subduction Boundary
d)
Transform Boundary
8.
Where are most volcanoes found?
a)
Southern Hemisphere
b)
Ring of Fire
c)
Mid-Atlantic Ridge
d)
Hot Spots
9.
What is a break in the lithosphere along which movement in an earthquake has first occurred?
a)
Earthquake
b)
Epicenter
c)
Fault
d)
Focus
10.
Where is the point at which the first movement occurs during an earthquake?
a)
Epicenter
b)
Focus
c)
Fault
d)
Plate
11.
This image represents a famous feature found in California, that could lead to a future disaster for the people of California?
a)
A volcano
b)
A ocean trench
c)
San Andreas Fault
d)
San Antonio Fault
12.
The point on Earth's surface directly above the focus of an earthquake
a)
Juan de fuca plate
b)
Focus
c)
Seismic wave
d)
Epicenter
13.
Which scale measures the intensity of the ground movement?
a)
Mercalli Scale
b)
Richter Scale
c)
Seismogram Scale
d)
Bernoulli Scale
14.
Why does magma tend to rise to the surface?
a)
It has large amounts of silica.
b)
It contains very little silica.
c)
It is denser than the surrounding material.
d)
It is less dense than the surrounding material.
15.
What is the "driving force" behind plate tectonics?
a)
the cooling of the Earth's crust
b)
gravitational pull of the moon
c)
convection currents in the Earth's mantle
d)
the Earth's magnetic field
16.
All of the following islands would be considered a "volcanic island arc" except
a)
indonesia
b)
phillipines
c)
japan
d)
hawaii
17.
all of the following were evidences presented by Wegener to prove his continental drift hypothesis except
a)
continental puzzle
b)
matching fossils
c)
seafloor spreading
d)
ancient climates
18.
what was the name given by wegener to the last known supercontinent?
a)
gondwanaland
b)
eurasia
c)
pangea
d)
mega africa
19.
most earthquakes are caused by
a)
meteorite impacts
b)
fracking
c)
stress that builds up along plate boundaries
d)
atomic bomb testing
20.
Many earthquakes happen along the borders of...
a)
Countries
b)
Tetonic Plates
c)
Climate Zones
d)
None of the above.
21.
The magnitude of an Earthquake is......
a)
a fault line
b)
The amount of energy released by the Earthquake
c)
The amount of damage done by the Earthquake
22.
______________ is the amount of damage done to structures by the Earthquake.
a)
Probability
b)
Amplitude
c)
Seismic Gap
d)
Intensity
23.
The arrival times of S and P waves is used to determine.......
a)
where the seismic station is located
b)
why the Earthquake occurred
c)
distance to epicenter
d)
Volcano location
24.
A "seismograph" is a
a)
reading of seismic waves
b)
a record of p waves
c)
results of an earthquake
d)
an instrument to read seismic waves
25.
The first wave of an earthquake is . . . .
a)
tsunami
b)
surface wave
c)
p wave
d)
s wave
26.
The epicenter of an earthquake shows up where?
a)
Below the surface of the earth.
b)
On the surface of the earth.
c)
Next to the P Wave.
d)
At the end of a Surface Wave
27.
What is the violent shaking of Earth's crust as built-up energy is released.
a)
earthquake
b)
epicenter
c)
fault
d)
focus
28.
What do you call melted rock below the Earth's surface?
a)
lava
b)
fault
c)
focus
d)
magma
29.
What do you call waves of energy sent through Earth's crust when parts of the crust move suddenly?
a)
thermal waves
b)
energy waves
c)
seismic waves
d)
magma
30.
Where do many earthquakes and volcanoes occur along the Pacific Ocean?
a)
along the Mid-Atlantic Ridge
b)
along the Nazca Plate
c)
along the Ring of Fire
d)
near India
31.
What do you call melted rock once it hardens on the Earth's surface?
a)
focus
b)
magma
c)
lava
d)
seismic waves
32.
An earthquake of 3.0 would do this.
a)
Complete destruction
b)
Some damage
c)
No damage, just shaking
d)
Earthquakes can't be 3.0
33.
An earthquake of 8.5 or higher would do this.
a)
No damage
b)
Minor damage
c)
Major damage
d)
Can't be detected
34.
Why are earthquakes generally more destructive than volcanoes?
a)
they are caused by plate motions
b)
earthquakes are always accompanied by tsunamis
c)
the area affected by an earthquake is larger
d)
they only occur in populated areas
35.
What is the most exact way to measure the magnitude of an earthquake?
a)
Mercalli Scale
b)
Moment Magnitude
c)
Richter Scale
d)
Triple Beam Balance
36.
What is the opening in Earth's crust through which molten rock, gases, and ash erupt?
a)
Divergent Boundary
b)
Magma
c)
Subduction Boundary
d)
Volcano
37.
What is a smaller earthquake that follows a larger earthquake?
a)
Aftershock
b)
Liquefaction
c)
Seismic Gap
d)
Tsunami
38.
What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?
a)
Aftershock
b)
Liquefaction
c)
Seismic Gap
d)
Tsunami
39.
The earth's ________ is broken up into pieces just like a jigsaw puzzle.
a)
Inner Core
b)
Lithosphere
c)
Mantle
d)
Outer Core
40.
What is the name of the geologic process when one plate slips underneath another plate?
a)
Subduction
b)
Subway
c)
Convergence
d)
Slip
41.
Which crust is thicker?
a)
Oceanic Crust
b)
Continental Crust
42.
Why does magma rise?
a)
it is less dense than the crust
b)
it is more dense than the crust
c)
it is equally as dense as the crust
d)
it is very viscous
43.
When two plates are moving away from each other they are called (often forming rifts or valleys)?
a)
Divergent Plates
b)
Convergent Plates
c)
Transform Boundaries
d)
Mountain ranges
44.
Which boundary presses together?
a)
sliding boundary
b)
converging boundary
c)
diverging boundary
d)
transform boundary
45.
The difference between magma and lava is _____
a)
where it is found (above or below the surface)
b)
how hot the molten rock is (lava is hotter than magma)
c)
the type of boundary where it forms
d)
the viscosity of the molten rock (lava has a lower viscosity)
46.
What do geologists call a volcano that is not likely to erupt ever again
a)
extinct
b)
dormant
c)
sleeping
d)
active
47.
magma is molten material from the mantle that has reached Earth's surface
a)
true
b)
false
48.
Not all volcanoes form along plate boundaries
a)
true
b)
false
49.
The Modified Mercalli scale rates the amount of damage from an earthquake
a)
true
b)
false
50.
Earthquakes are caused by the forces of mountain movement
a)
true
b)
false
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