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WorksheetsUnit 2 - Earthquakes and Volcanoes
Total questions: 159
Worksheet time: 3hrs 40mins
Vibrations created by earthquakes that can travel through the earth are
plate boundaries
seismic waves
convection currents
fault lines
Plate boundaries where the earth is being pulled apart are called ...
convergent boundaries
transform boundaires
plate boundaries
divergent boundaries
Plate boundaries where the earth is being pushed together are called ...
divergent boundaries
convergent boundaries
plate boundaries
transform boundaries
Plate boundaries where the earth is being pushed and pulled in opposite directions are called ...
convergent boundaries
plate boundaries
transform boundaries
divergent boundaries
A series of ocean waves caused by earthquakes or undersea volcanic eruptions is called ...
an earthquake
a tidal wave
an eruption
a tsunami
What is a type of hazard caused by a sudden release of stress along faults in the earth's crust?
a hurricane
an earthquake
a sinkhole
a volcano
These primary waves are the fastest seismic waves, compressing and expanding the ground like an accordion.
seismic waves
S waves
P waves
surface waves
Scientists who study the waves of energy beneath the Earth's surface are called ...
geologists
geographers
seismologists
biologists
This is the point beneath Earth's surface where rock breaks under stress and causes an earthquake.
epicenter
focus
plate boundary
magma chamber
Rogue Wave
What does a seismograph measure?
The amount of oil and gas underground.
The amount of damage an earthquake causes.
The temperature of the earth's core.
The amount of shaking of the crust.
What is magma?
Hot semifluid rock that becomes solid rock as it cools off.
A mix of rocks, minerals, gases, and water from the mantle.
A weak spot in Earth’s crust where magma can come to the surface.
Hardened rock.
What is a volcano?
A weak spot in Earth’s crust where magma can come to the surface.
A mix of rocks, minerals, gases, and water from the mantle.
Hot semifluid rock that becomes solid rock as it cools off.
A special kind of mountain.
What kind of volcano is this?
Stratovolcano
Shield volcano
Cinder cone volcano
It's not a volcano
What is the name that scientists gave to the area around the pacific ocean where most of the volcanoes in the world exist?
The Ring of Fire
The Fire Ring
The Ring of Volcanoes
The Volcano Ring
(a) measures Earthquake intensity by the amount of damage caused by an earthquake.
What is the zone of intense earthquake and volcanic activity called?
Circle of Fire
Oval of Fire
Ring of Fire
Earthquake Central
What is the location where the rupture of an earthquake begins and energy is released called?
epicenter
focus
intensity
S wave
What is a fracture in bedrock along which blocks of rock on opposite sides of the fracture move?
focus
epicenter
intensity
fault
What is the point on the surface of the earth directly above the focus of an earthquake?
epicenter
fault
focus
intensity
When scientists map the location of earthquakes, where do they find that most earthquakes happen?
middle of tectonic plates
in the core of the earth
only near mountains
at plate boundaries
Match the magnitude of the earthquake
to its impact.
People cannot feel it, but a seismograph can.
1
Materials in your house might shake a little.
3
Buildings that were poorly made might get damaged,
5
Most buildings will get damaged.
7
Extreme destruction and death.
9
Earthquakes are classified based on their (a) .
To study Earthquakes, scientists use a tool called a ____.
Seismograph
Thermometer
Barometer
Polygraph
Occurs when plates crash into or pull away from each other and hot magma from below rises up to the surface in an eruption?
Earthquake
Tsunami
Volcano
Liquid inner core explodes
Occurs when plate boundaries get stuck together, but the plates themselves keep moving?
Earthquakes
Volcano
Tsunami
Tectonic Plates
When one tectonic plate is pulled under another and into the mantle, it's called:
A Subduction Zone
A Transform Boundary
A Ridge
A Folded Mountain
If a hot spot lasts long enough what may be created?
islands
mountains
deep ocean trench
mid-ocean ridge
Match the plate boundary to its definition.
Plates spread apart
Divergent
Plates come together
Convergent
Plates rub against each other
Transform
Match the plate boundary to its diagram.
Divergent
Convergent
Transform
Where is the epicenter of this earthquake?
Salt Lake
Los Angeles
San Francisco
Portland
Which description of Earthquakes is most accurate?
Earthquakes are very rare, but when they happen they always cause severe damage.
Earthquakes happen every day, but most are too small to notice.
Earthquakes happen every day, so they are the number one cause of death in the US.
As the waves travel through shallow water toward the land they get
bigger
smaller
stay the same
Tsunami is a ________ word, meaning ____________.
Japanese, harbor wave
Japanese, tidal wave
Chinese, harbor wave
Chinese, egg roll
A Tsunami can travel more than a mile onto land.
True
False
When a Tsunami approaches shore, the waves
Speed Up
Slow Down
Stay the Same Speed
A Tsunami wave can be as tall as
10 Feet
50 Feet
75 Feet
100 Feet
A Tsunami wave can move at over _______ miles per hour.
10
50
500
1000
Tsunamis are caused by
underwater disturbances such as earthquakes, landslides, and volcanoes.
wind and the gravitational pull of the moon.
Explosive eruption that hurls ash, hot gases, cinders, and bombs from the main vent and travels at fast speeds down the volcano is called a . . .
Volcano bomb
Geyser
Geothermal energy
Pyroclastic flow
Lava fragments that are like pebbles in size are called ______.
Volcanic ash
Cinders
Bomb
Lahar
Fragments that are about as small as grains of sand.
Volcanic ash
Cinders
Bombs
Lava
Large lava fragments that are like baseball in size.
Volcanic ash
Cinders
Bombs
A'a
What is the definition of an extinct volcano?
the volcano is active
the volcano is sleeping
will never erupt again
could erupt again
What is a dormant volcano?
molten rock
the center of a volcano
will never erupt again
a volcano that is sleeping, but could erupt agian
TRUE or FALSE: A volcano that erupts quietly will produce a lot of cinders, ash, and bombs
TRUE
FALSE
Magma becomes lava when it reaches a volcano's ______.
Vent
Cone
Chamber
Mantle
Rank the volcanic stages from LEAST likely to MOST likely to erupt.
active, dormant, extinct
extinct, dormant, active
dormant, extinct, active
dormant, active, extinct
Volcanoes that can erupt at any time
Active Volcano
Dormant Volcano
Extinct Volcano
Composite Volcano
Volcanoes that are “resting” but can wake up and erupt
Active Volcano
Dormant Volcano
Extinct Volcano
Composite Volcano
Gases bubble out gently, lava will ooze out of vent quietly and flow for many kilometers, how the Hawaiian Islands were formed
Explosive Eruption
Viscosity
Quiet Eruption
Shield Volcano
Trapped gases in the pipe of the volcano build up pressure until they explode which causes a pyroclastic flow that hurls out a mixture of hot gas, ash, cinders and bombs
Quiet Eruption
Explosive Eruption
Viscosity
Active Volcano
Do Shield Volcanos have explosive eruptions or non-explosive eruptions?
Explosive eruptions
Non-explosive eruptions
Do Composite Volcanos have explosive eruptions?
Explosive eruptions
Non-explosive eruptions
Are all volcanos violent?
No, shield volcanos erupt quietly, low silica = quiet
Yes, because all volcanos have pyroclastic flow and have explosive eruptions
Lava, rock fragments, gases and ash coming out in one spot on the surface of the Earth it forms a mountain and is called
magma.
an ocean.
a volcano.
a ring.
Smaller volcanoes that typically throw ash and other rock fragments into the air during eruption
cinder cone
shield
composite
fissure
Large, broad volcano that is formed from layers of lava.
cinder cone
shield
composite
fissure
Also known as Strato Volcanoes, this volcano is made from alternating layers of ash and lava is called a(n) _________________ volcano
composite
cinder cone
shield
fissure
When a volcano erupts explosively and quietly, it will make a (a)
When a volcano erupts explosively, what kind of mountain is formed? (a)
When a volcano erupts quietly, what kind of mountain forms? (a)
How well a liquid flows depends on its (a)
Magma leaves a volcano through a (a)
Match the volcano to its descriptions?
Shield
Cinder Cone
Composite
Organize these options into the right categories
Violent eruption
High viscosity magma
Low viscosity magma
Runny magma
Thick magma
Quiet eruption
Made of lava
Made of ash, cinders, and bombs
Alternating violent and quiet eruptions
Alternating high and low viscosity magma
Made of alternating layers of lava and ash, cinders, and bombs
Looks like an ant hill
Looks like a warrior's shield
Looks like a cartoon
A volcano that could erupt, but has not recently is
dead
active
dormant
extinct
What is number 7?
the magma chamber
a vent
the lava chamber
a sill
What is number 6 in the picture?
the earth's crust
layers of lava and ash from past explosions
sedimentary rock
metamorphic rock
What is number 5 in the picture?
lava
magma
What is number 4?
lava
the central vent
the magma chamber
a crater
3 is...
a central vent
a lava spill
a side vent
the earth's crust
2 is...
igneous rock
dust, ash, steam and gases
lava
a volcanic bomb
1 is
central vent
magma chamber
dust, ash, steam and gases
oxygen
Which of the following best describes the lava of a Shield Volcano?
Sticky and does not flow far
Runny and can flow far
Thick and explosive
Solidifies quickly
How do Cinder Cone Volcanoes form their shape?
By alternating eruptions of lava and ash
By lava flowing far and wide
By cinders accumulating around the vent
By tectonic plates colliding
Explain why Shield Volcanoes are usually not explosive.
Because they have steep slopes
Because their lava is runny and has low viscosity
Because they form from alternating eruptions of lava and ash
Because they are smaller in size
Compare the slopes of Shield Volcanoes and Composite Volcanoes.
Both have steep slopes
Shield Volcanoes have steep slopes, while Composite Volcanoes have gentle slopes
Shield Volcanoes have gentle slopes, while Composite Volcanoes have steep slopes
Both have gentle slopes
Predict the potential hazards of living near a Cinder Cone Volcano.
Frequent earthquakes
Explosive eruptions and falling cinders
Massive lava flows covering large areas
Tsunamis
Evaluate the reasons why Shield Volcanoes can reach massive sizes compared to other types of volcanoes.
They have explosive eruptions that build up the volcano quickly
Their runny lava spreads over large areas, allowing them to grow wide and tall over time
They are formed by the collision of tectonic plates
They are located in areas with high volcanic activity
Which of the following is/are a shield volcano(es)?
Which type of volcano has a broad, gently sloping cone and is composed of layers of solidified lava flows?
caldera
shield volcano
cinder cone volcano
stratovolcano
What type of volcano is wide and flat, created by layers of lava flow?
Shield
Cinder Cone
Composite
What type of volcano is Mauna Loa, which is located in the Hawaiian islands?
Shield
Cinder Cone
Composite
Tall and steep toward the summit.
Name the volcano.
shield
composite
cinder cone
Resembles a warrior's shield.
Name the volcano.
shield
composite
cinder cone
Wide and flat.
Name the volcano.
shield
composite
cinder cone
Form from alternating layers of lava and ash.
Name the volcano.
shield
composite
cinder cone
Considered the smallest type of volcano.
Name the volcano.
shield
composite
cinder cone
Lava in the air may harden and fall as small fragments and accumulate around the vent (opening).
Name the volcano.
shield
composite
cinder cone
These volcanoes are more explosive.
Name the volcanoes.
shield
composite
cinder cone
Sometimes oozes lava at the base of the cone.
Name the volcano.
shield
composite
cinder cone
Lava is sticky and does not flow far before it solidifies (hardens).
Name the volcano.
shield
composite
cinder cone
It often forms where two tectonic plates collide.
Name the volcano.
shield
composite
cinder cone
Here is a picture of Mt. Fuji.
Name the volcano.
shield
composite
cinder cone
Here is a picture of Mt. St. Helens
Name the volcano.
shield
composite
cinder cone
Here is a picture of a volcano in Hawaii.
Name the volcano.
shield
composite
cinder cone
Here is a picture of Sunset Crater in Arizona.
Name the volcano.
shield
composite
cinder cone
Look at #1.
Name the volcano.
shield
composite
cinder cone
Look at #2.
Name the volcano.
shield
composite
cinder cone
Look at #3.
Name the volcano.
shield
composite
cinder cone
Imagine that a particular Shield Volcano has lava that moves very fast (60 mph). What does this mean about the viscosity of the lava?
High viscosity
Low Viscosity
Medium Viscosity
No Viscosity
What is the difference between the epicenter and the focus?
The epicenter is located on Earth's surface and the focus is on the fault line.
The focus is located on Earth's surface and the epicenter is on the fault line.
Volcanoes that have not erupted in recorded history and do not show any signs of erupting are called:
active
dormant
extinct
The most common type of volcano that has very explosive eruptions of pyroclastic material followed by calm lava flows is a __________ volcano.
cinder-cone
shield
composite/strata
__________ means "resistance to flow".
syrup
viscosity
density
velocity
__________ volcanoes are currently not erupting, but the record of past eruptions suggest that they may erupt again.
avtive
dormant
extinct
Volcanoes that are currently erupting or show signs of erupting in the near future are called:
active
dormant
extinct
_________ volcanoes tend to be smaller and can form quickly. They have a dome on top and form from moderately explosive eruptions of pyroclastic material.
cinder-cone
composite/stata
shield
_________ volcanoes have gently sloping sides and can be enormous. They are formed from non-explosive eruptions with gentle lava flows.
composite/strata
cinder-cone
shield
Hot, molten rock found inside the Earth's crust:
lava
magma
viscosity
Hot, molten rock that flows from a volcano (outside the Earth's crust):
lava
magma
viscosity
A ________ is a volcanically active place that is far away from a plate boundary (middle of a plate).
composite
mountain volcano
island volcano
hotspot
A sudden movement of the Earth's crust caused by the release of stress accumulated (built up) along geological faults or by volcanic activity is called a __________.
eruption
earthquake
volcano
Scientists who study earthquakes are called:
seismology
simeaseatologist
seismologist
The scientific study of earthquakes is called:
seismologist
earthquakeology
seismology
Most earthquakes take place around _____________ boundaries.
continental
oceanic
tectonic plate
A _________ is a break in the Earth's crust.
fold
fault
bend
The point inside the Earth, where an earthquake begins:
epicenter
fault
focus
The point on the Earth's surface directly above where an earthquake starts inside the Earth.
epicenter
fault
focus
The waves produced by an earthquake are _________ waves.
sound waves
seismic waves
light waves
volcanic waves
Primary waves are the ___________.
slowest
most destructive
fastest
Secondary waves are:
slower than P waves
most destructive
faster than P waves
Surface waves are:
fastest
second fastest
most destructive
What kind of waves are produced during an earthquake?
physical
nuclear
mechanical
sound
A ___________ is an instrument located at or near the surface of the Earth that records seismic waves.
seismologist
seismograph
seismic waves
This earthquake rating scale is the most well known method for measuring earthquakes.
Moment Magnitude Scale
Modified Mercalli Scale
Richter Scale
Which volcano is famous for its eruption in May of 1980 that blew out the side and top of the volcano?
Mt. Pinatubo
Mt. Tambora
Mt. St. Helens
Mt. Vesuvius
Which location is farther from the epicenter?
Seismogram B (top)
Seismogram C (bottom)
Which location would experience a more intense earthquake?
Seismogram A (top)
Seismogram B (bottom)
Which letter represents surface waves?
A
B
C
All are surface waves
Which station was closest to the earthquake's epicenter?
Station A
Station B
Station C
Based on the seismogram data, which city has an S-P interval of 4 seconds?
New York, NY
Nome, Alaska
Guadalajara, Mexico
Which seismogram represents a city that is far from the epicenter of an earthquake?
New York, NY
Nome, Alaska
Guadalajara, Mexico
What is the instrument used to measure earthquakes?
Seismograph
Seismologist
Scale
Seismogram
The place where an earthquake originates inside the Earth's surface is called...
Epicenter
Focus
Underground
Crust
The place on the Earth's surface, above the origin of the earthquake.
Epicenter
Focus
Surface
Crust
