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Worksheets2- Volcanoes & Earthquakes
Total questions: 61
Worksheet time: 1hrs 4mins
Name
Class
Date
1.
The formation of the Hawaiian Islands is one example of
a)
volcanoes forming over a hot spot
b)
volcanoes forming along plate boundaries
c)
the Ring of Fire
d)
continental drift
2.
What type of volcano forms from only quiet eruptions?
a)
Composite
b)
Cinder Cone
c)
Shield
3.
What type of volcano is shown above?
a)
Strato
b)
Cinder Cone
c)
Shield
4.
what is the largest volcano?
a)
shield volcano
b)
cilicone volcaano
c)
compost volcano
5.
This type of volcano has MOSTLY NONEXPLOSIVE eruptions
a)
composite
b)
cinder cone
c)
shield
6.
Which statement best describes the difference between magma and lava?
a)
Magma is fluid and flows very quickly. Lava is thick and viscous and flows very slowly.
b)
Magma is molten rock beneath earth's surface. Lava is molten rock on the earth's surface.
c)
Magma is molten rock on the earth's surface. Lava is molten rock beneath the earth's surface.
d)
Magma is molten rock. Lava is solid rock.
7.
5. What are the most explosive types of volcanoes?
a)
Shield
b)
Composite
c)
Cinder Cone
8.
An erupting volcano can cause...
a)
rain
b)
other disasters like tsunamis, earthquakes, etc.
c)
dragon attacks
d)
an early Christmas
9.
When ________ builds up in an active volcano, an explosion happens.
a)
Magma
b)
Lava
c)
Air
d)
Pressure
10.
This is the most common type of volcano
a)
composite
b)
cinder cone
c)
shield
11.
This volcano is small and usually erupts over a short time
a)
composite
b)
cinder cone
c)
shield
12.
This type of volcano often occurs in clusters close to other volcanoes
a)
composite
b)
cinder cone
c)
shield
13.
What type of volcano is this..
a)
Shield
b)
Cinder Cone
c)
Composite or Stratovolcano
14.
What type of volcano is this..
a)
Shield
b)
Cinder Cone
c)
Composite or Stratovolcano
15.
What are places in the interior of plates where volcanoes occur?
a)
effusive zones
b)
fault lines
c)
hot spots
d)
national parks
16.
What are fast moving clouds of gas, ash, and rock bombs that are products from an explosive eruption?
a)
ash fall
b)
effusive debris
c)
magma
d)
pyroclastic flows
17.
What is the opening at the top of a volcano called?
a)
side vent
b)
central vent
c)
vent
d)
crater
18.
The ____________ is a belt of volcanoes around the rim of the Pacific Ocean.
a)
island arc
b)
Ring of Fire
c)
caldera
d)
hot spot
19.
What is A?
a)
conduit
b)
magma chamber
c)
lava flow
d)
crater
20.
How thick something is or the resistance of a fluid or liquid to flow is its
a)
viscosity
b)
density
c)
velocity
d)
flowability
21.
An opening in Earth's crust
a)
Volcano
b)
Lava
c)
Island Chain
d)
Hot Spot
22.
Where two plates converge, one sinks below the other. Most land volcanoes occur near here.
a)
boundary line
b)
fault
c)
Convection current
d)
Subduction zone
23.
This type of volcano has the largest eruption. It is the most common volcano. It is has an explosive eruption of pyrocalstic materials and lava.
a)
Composite Volcano
b)
Cinder Cone Volcano
c)
Shield Volcano
d)
Convection Volcano
24.
Why do volcanoes form at convergent boundaries?
a)
Pressure is released making the melting point of the mantle rock lower.
b)
Water lowers the melting point of the mantle rock
c)
The temperature of the rock is increased.
d)
Pressure on the mantle rock is increased.
25.
Volcanoes further away from those close to a hotspot are ____
a)
Older
b)
Younger
c)
the exact same age
26.
Where is the largest Supervolcano in North America?
a)
beneath Mt St Helens
b)
in the Appalachian Mountians
c)
beneath Yellowstone
d)
beneath the Catskills Mountains
27.
What is letter D in the picture?
a)
Vent
b)
Crater
c)
Caldera
d)
Tephra
28.
What is letter A in the picture?
a)
Crater
b)
Vent
c)
Conduit
d)
Tephra
29.
At what type(s) of plate boundaries do most volcanoes form?
a)
convergent and transform
b)
convergent and divergent
c)
divergent and transform
d)
ocean and mountain
30.
The epicenter of an earthquake is
a)
The point below the surface where rock begins to break and the first motion occurs
b)
The seismic station closest to the earthquake
c)
The place where the greatest damage occurs
d)
The point on the surface directly above the focus
31.
Which travels fastest, always being the first detected by seismic stations?
a)
P waves
b)
S waves
32.
An instrument that detects and measures earthquakes is a
a)
seismogram
b)
focus seismic map
c)
focus
d)
seismograph
33.
Earthquakes under the water can cause _________________________________.
a)
tornadoes
b)
tsunamis
c)
lightening
d)
hailstorms
34.
Seismology
a)
Branch of science that studies earthquakes
b)
Earthquakes
c)
The sudden return to elastically deformed rock to its original shape.
d)
Focus
35.
P-wave
a)
The center of a earthquake.
b)
Also know as shear or secondary wave.
c)
Always the first to arrive; seismic wave that causes particles of rock to move in back-and-forth direction
d)
Hilbert
36.
Many earthquakes happen along the borders of...
a)
Countries
b)
Tetonic Plates
c)
Climate Zones
d)
None of the above.
37.
Second waves to arrive that cause earthquakes
a)
P waves
b)
S waves
c)
Surface waves
38.
Smaller earthquakes that occur in the same area after a larger earthquake has occurred.
a)
aftershock
b)
liquefaction
c)
tsunami
39.
We know there are two layers to the Earth’s core because...
a)
S Waves stop at the outer core
b)
P Waves bend as they reach inner core
c)
P Waves bend as they outer core
d)
All of the above
40.
This is the area beneath the Earth's surface where the earthquake begins
a)
epicenter
b)
focus
c)
fault line
d)
tectonic plate
41.
This famous transform fault is located in the western United States creates significant earthquake activity for California
a)
Sierra Nevada Seismic Zone
b)
Denali Fault
c)
San Fransisco
d)
San Andreas
42.
The Richter scale measures:
a)
the amount of radon gas released
b)
the damage caused
c)
the strength of an earthquake
d)
the weight of tectonic plates
43.
Which kind of waves usually do the most damage in an earthquake?
a)
P waves
b)
S waves
c)
L waves
d)
Radio waves
44.
The Modified Mercalli scale rates the amount of damage from an earthquake
a)
true
b)
false
45.
What do S (secondary) waves do during an earthquake?
a)
Shake the ground
b)
Cause eruptions
c)
Open cracks in the earth's surface
d)
Create loud noises
46.
What do S (secondary) waves do during an earthquake?
a)
Shake the ground
b)
Cause eruptions
c)
Open cracks in the earth's surface
d)
Create loud noises
47.
4. What type of wave is this...
a)
Primary Wave
b)
Secondary Wave
c)
Surface Wave
48.
3. Which type of wave is this...
a)
Primary Wave
b)
Secondary Wave
c)
Surface Wave
49.
2. Which wave is this...
a)
Surface Wave
b)
Primary Wave
c)
Secondary Wave
50.
The risk of earthquakes is high along the Pacific coast of the United States because_________.
a)
no earthquakes erupted there lately & pressure is building
b)
satellites have detected increasing ground elevation
c)
it's where the Pacific plate & the NorthAmerican plate meet
d)
Mountains are being formed
51.
a)
Neither earthquakes nor volcanoes are related to plate boundaries.
b)
Volcanoes, but not earthquakes, are more likely to occur along plate boundaries
c)
Earthquakes, but not volcanoes, are more likely to occur along plate boundaries.
d)
Both earthquakes and volcanoes are more likely to occur along plate boundaries.
52.
What does the image represent?
a)
Triangulation
b)
Seismograph
c)
Seismogram
d)
Seismic Waves
53.
Point B on the diagram is.....
a)
the footwall
b)
the epicenter of an earthquake
c)
the focus of an earthquake
d)
a fault line
54.
Point A on the diagram is.....
a)
the footwall
b)
the epicenter of an earthquake
c)
the focus of an earthquake
d)
a fault line
55.
Which of the following measures an earthquake's intensity based on the observed effects on people and structures?
a)
Richter Scale
b)
Modified Mercalli Scale
c)
Centigrade Scale
d)
Moment Magnitude scale
56.
This earthquake measurement scale is based on the size (amplitude) of seismic waves as measured on a seismograph.
a)
Richter Scale
b)
Modified Mercalli scale
c)
Centigrade scale
d)
The Moment Magnitude Scale
57.
An earthquake scored high on the Richter scale but low on the Mercalli scale. Why?
a)
it probably happened in an area with no people
b)
it was a fast earthquake
c)
because it damaged a lot
d)
impossible to tell
58.
These seismic waves compress and expand the ground like an accordion:
a)
p-waves
b)
s-waves
c)
surface waves
d)
z-waves
59.
The built up movement of plates is released as energy and is carried by these:
a)
earthquakes
b)
seismic waves
c)
focus
d)
epicenter
60.
A sudden release of energy from plate movement creating shaking and trembling is known as:
a)
seismic wave
b)
earthquake
c)
focus
d)
epicenter
61.
The San Andreas fault is a location where tectonic plates move horizontally past each other. This is an example of what type of boundary?
a)
convergent
b)
divergent
c)
transform
d)
slide
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