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WorksheetsEarthquakes Grade 7 Science
Total questions: 141
Worksheet time: 2hrs 7mins
What do you call it when tectonic plates move toward each other?
divergent boundary
convergent boundary
transform boundary
Which layer is the rocky, outermost layer?
mantle
inner core
crust
outer core
Which process uses rock layers and index fossils to determine an object's estimated age?
relative dating
deposition
radioactive dating
geologists
What do you call do you call remains of plants and animals that are found trapped deep in the layers of rock?
sediment
soil
debris
fossils
What do you call the process of using the location and depth of where a fossil is found to estimate age?
radioactive dating
index fossils
Law of Superposition
deposition
This layer of the Earth is found directly below the crust.
inner core
outer core
mantle
Which part of the mantle has a semi-fluid consistency and is always in motion?
inner core
asthenosphere
crust
lithosphere
What do you call it when the tectonic plates are move apart, causing earthquakes, volcanoes and new land to form?
convergent boundary
divergent boundary
transform boundary
What do you call it when tectonic plates slide past each other?
transform boundary
convergent boundary
divergent boundary
Where would a geologist find a fault?
where plates slide past each other
where plates move apart
where plates come together
What is the theory that states that continents are part of the crust, connected to the lithosphere and affected by the molten asthenosphere that allows them to move?
Continental Drift Theory
Theory of plate tectonics
deposition
relative dating
Which layer of the Earth is solid because of high temperature and high pressure? In the egg analogy, this was the yolk.
inner core
outer core
mantle
crust
What is the process that uses analysis of the decay of atomic particles to determine exact age?
relative dating
fossils
deposition
radioactive dating
Which method of relative dating involves using organisms that were alive during a specific time period as a guide for comparison to determine age?
index fossils
radioactive dating
deposition
What theory refers to the movement of Earth's plates
Tectonic plates
Continental drifting
Plates shaking
Tectonical movement
What causes Earth's plates to move?
Convection in the crust and subduction in the core
Convection currents in the mantle
Earthquakes
Heat from the Inner Core
A point on Earth’s surface right above the focus of an earthquake.
Epicenter
Heliocenter
Hipocenter
Staples center
Which type of seismic waves cause the most damage?
P-waves
S-waves
Surface waves
Tsunami waves
What event happens when there is a sudden, violent shaking of tectonic plates?
Hurricane
Earthquake
Thunderstorm
When scientists map the location of earthquakes, where do they find that most earthquakes happen?
Middle of tectonic plates
Only near mountains and volcanos
In the mantle
At plate boundaries
Why aren't all earthquakes recorded?
Some happen too far underground
Some are too weak to be felt
Some happen too much far way from cities
Happen under the mantle
Which scale measures the magnitude, or size, of an earthquake?
Richter
Mercalli
What device is used to measure the intensity of an earthquake?
Shakemeter
Termometer
Movemeter
Seismometer
move through Earth
A break in Earth’s crust along which rocks move is called ___________
stress
compression
dormat
fault
A giant wave usually caused by an earthquake beneath the ocean floor is called __________________
earthquake
volcano
tsunami
fault
________________ caused by the movement of the Earth’s massive tectonic plates generates tremendous force in the crust causing an ___________________.
tension : earthquake
stress : earthquake
tension : tsunami
stress : tsunami
The most destructive type of wave is a
P-wave
S-wave
Surface wave
transverse wave
What is a tracing of an earthquake's motion that is created by a seismometer?
Seismograph
Seismogram
Seismologist
Elastic Rebound
An earthquake scored high on the Richter scale but low on the Mercalli scale. Why?
It probably happened in an area with no people.
It was a fast earthquake.
It damaged a lot of buildings.
It is impossible to know.
How much bigger is a magnitude 8 earthquake compared to magnitude 6 quake on the Richter Scale?
2 times bigger
20 times bigger
48 times bigger
100 times bigger
Which wave can travel through solids, liquids, and gases?
P-Waves
S-Waves
Surface (L) Waves
Which is the fastest type of seismic wave?
p-waves
s-waves
surface waves
What is the temporary state in which loose soil and rock materials take on the property of quicksand?
Aftershock
Liquefaction
Seismic Gap
Tsunami
The place where the earthquake is felt on the Earth's surface is called the...
Epicenter
Hypocenter (focus)
Surface
Crust
What is the instrument used to measure earthquakes?
Seismograph
Sling Psychrometer
Spring Scale
Balance
Anemometer
What is the minimum number of seismograph stations needed to locate an earthquake epicenter?
2
3
4
5
6
Which team just won the 2018 Stanley Cup?
Which image models secondary waves?
Top
Bottom
Both
Which type of seismic wave can travel all the way from on side of the Earth to the other?
P-Waves
S-Waves
L-Waves (Surface Waves)
None
Transform boundaries have shearing stress and _______________________ faults.
strike-slip
normal
reverse
These waves are the fastest seismic waves and are the first to reach any particular location.
P Waves
S Waves
Surface Waves
Hello Waves
In these faults, the block above the fault slides down relative to the other block.
Normal
Reverse
Strike-Slip
A water wave caused by an earthquake is called a __________________.
tsunami
seismic wave
electromagnetic wave
surfing wave
The point on earth's surface, directly above the focus (or hypocenter) is called the __________________.
epicenter
fault
seismic wave
earthquake place
Convergent boundaries have compression stress and ___________________ faults.
reverse
normal
strike-slip
A force that acts on rock to change its shape or volume.
stress
seismic waves
tsunami
In these faults, blocks of rock move sideways on either side of the fault plane.
strike-slip
normal
reverse
not my's
Stress that pull on crust and causes it to become thinner in the middle.
tension
compression
shearing
A stress force that squeezes rock until it bends or breaks is called _____________.
compression
tension
shearing
When two pieces of continental crust collide at a convergent boundary, it makes a _________________ fault.
reverse
normal
strike-slip
In an earthquake, the point underground where the rock first begins to move is called the _________________.
focus or hypocenter
epicenter
The stress force that causes rock to be pushed into separate directions is called __________________.
shearing
compression
tension
The instrument that records and measures earthquake's seismic waves is called a ____________________.
seismograph
seismogram
A fold in the rock that bends upward into an arch is called a(n) _________________________
anticline
syncline
incline
Coach Cline
The epicenter of an earthquake is
The point below the surface where rock begins to break and the first motion occurs
The seismic station closest to the earthquake
The place where the greatest damage occurs
The point on the surface directly above the focus
Which travels fastest, always being the first detected by seismic stations?
P waves
S waves
An instrument that detects and measures earthquakes is a
seismogram
focus seismic map
focus
seismograph
Which of the following is NOT a cause of an earthquake?
Collapse of Cavern
Eruption of Volcano
Lightning Strikes
Moving Tectonic Plates
What is a break in the lithosphere along which movement in an earthquake has first occurred?
Earthquake
Epicenter
Fault
Focus
Where is the point at which the first movement occurs during an earthquake?
Epicenter
Focus
Fault
Plate
Where is the point on the Earth’s surface directly above the focus of an earthquake?
Epicenter
Fault
Hypocenter
Tremor
Which type of wave is the first to arrive after an earthquake occurs?
P Wave
Rayleigh Wave
S Wave
Shear Wave
Which body wave squeezes and stretches rock materials as they pass through the Earth?
Body Waves
P Waves
S Waves
Surface Waves
Which body waves cause move in a wave like pattern?
Body Waves
P Waves
S Waves
Surface Waves
What is an instrument that detects and records waves produced by earthquakes? (This piece of equipment can measure the magnitude of an earthquake.)
Epicenter
Fault
Seismogram
Seismograph
What is the measure of the amount of energy released in an earthquake?
Earthquake
Epicenter
Magnitude
Seismogram
Which scale rates earthquakes based on the amount of damage done?
Mercalli Scale
Richter Scale
Seismogram Scale
Bernoulli Scale
Which scale measures the intensity of the ground movement?
Mercalli Scale
Richter Scale
Seismogram Scale
Bernoulli Scale
Which seismogram represents a city that is far from the epicenter of an earthquake?
New York, NY
Nome, Alaska
Guadalajara, Mexico
Based on the seismogram data, which city has an S-P interval of 4 seconds?
New York, NY
Nome, Alaska
Guadalajara, Mexico
______ are the vibrations of the Earth produced by the rapid release of energy in the lithosphere.
Foci
Epicenters
Earthquakes
Faults
Where is an earthquake the strongest?
Epicenter
Fault
Focus
What are interactions of the Earth's rigid lithospheric plates as they slide slowly over the asthenosphere.
transform
Mantle
convection currents
plate tectonics
Which of the following are evidence of plate tectonics?
Fossils
ocean floor spreading
Continent shapes
Land warping
Convergent= crust is (a) .
Transform= crust is ___ nor ___.
(a)
Divergent= crust can be (a)
225 million years there was a "super continent named___
Ice Age
Jurassic
Pangaea
Earth
Why do the plates move?
The 3 plate boundaries are ___, ___, and ___.
(a)
Which seismogram represents a city that is far from the epicenter of an earthquake?
New York, NY
Nome, Alaska
Guadalajara, Mexico
All the same distance away
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
What is the instrument used to measure earthquakes?
Seismograph
Seismologist
Scale
Seismogram
This is created by earthquakes that occur on the ocean floor.
longshore current
gulf stream
tsunamis
high tide
What type of fault is this?
Normal
Reverse
Strike-slip
Forward
Are plates always moving?
How do tectonic plates look like?
Transform boundaries have shearing stress and _______________________ faults.
strike-slip
normal
reverse
A water wave caused by an earthquake is called a __________________.
tsunami
seismic wave
electromagnetic wave
surfing wave
Convergent boundaries have compression stress and ___________________ faults.
reverse
normal
strike-slip
Many earthquakes happen along the borders of...
Countries
Tetonic Plates
Climate Zones
Japan and California
The 1989 Bay Area Earthquake that took place in California is often referred to as
The Bridge Collapse Earthquake
The Super Bowl Earthquake
The Big One
The World Series Earthquake
Worldwide, how many Earthquakes are estimated to occur yearly?
5-8
50-60
250-300
500,000-3,000,000
How long do most earthquakes last (time)
several seconds
several minutes
hours
could last for days
Most earthquakes occur where two _____________________ meet.
epicenters
fat guys
tectonic plates
tsunamis
Earthquakes can result in (choose all that apply)
loss of life
building collapse
fires
flooding
gas leaks
Which seismogram represents a city that is far from the epicenter of an earthquake?
New York, NY
Nome, Alaska
Guadalajara, Mexico
All the same distance away
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
What is the instrument used to measure earthquakes?
Seismograph
Seismologist
Scale
Seismogram
This is created by earthquakes that occur on the ocean floor.
longshore current
gulf stream
tsunamis
high tide
What type of fault is this?
Normal
Reverse
Strike-slip
Forward
Are plates always moving?
How do tectonic plates look like?
Transform boundaries have shearing stress and _______________________ faults.
strike-slip
normal
reverse
A water wave caused by an earthquake is called a __________________.
tsunami
seismic wave
electromagnetic wave
surfing wave
Convergent boundaries have compression stress and ___________________ faults.
reverse
normal
strike-slip
Many earthquakes happen along the borders of...
Countries
Tetonic Plates
Climate Zones
Japan and California
The 1989 Bay Area Earthquake that took place in California is often referred to as
The Bridge Collapse Earthquake
The Super Bowl Earthquake
The Big One
The World Series Earthquake
Worldwide, how many Earthquakes are estimated to occur yearly?
5-8
50-60
250-300
500,000-3,000,000
How long do most earthquakes last (time)
several seconds
several minutes
hours
could last for days
Most earthquakes occur where two _____________________ meet.
epicenters
fat guys
tectonic plates
tsunamis
Earthquakes can result in (choose all that apply)
loss of life
building collapse
fires
flooding
gas leaks
