Type
Word Search
Description

magnitude
tension
shearing
stress
compression
mountain
energy
seismograph
friction
protect
liquefaction
shaking
tsunami
seismogram
fault
aftershock
seismic waves
tectonic plates
damage
earthquake

Earthquakes Vocabulary Crossword

Type
Crossword
Description

A forces that acts on an area of rock to change its shape or volume stress
Type of stress that pulls on the crust, stretching rock so that is becomes thinner in the middle tension
Type of stress that squeezes rock until it folds or breaks compression
Stress that pushes a mass of rock in two opposite directions shearing
The hanging wall slips down relative to the footwall normal fault
Block of rock that lies above hanging wall
Block of rock that lie below footwall
The hanging wall moves up relative to the footwall reverse fault
Rocks on either side of a strike- slip fault, slip past each other, with little up or down motion strike- slip fault
The shaking that results from sudden movement of rock along a fault earthquake
The area beneath Earth's surface where rock under stress breaks, triggering an earthquake focus
The point on the surface directly above the focus epicenter
Seismic waves that compress and expand the ground like an accordian P waves
Seismic waves that vibrate side to side as well as up and down S waves
Seismic waves that move slower then P and S waves, but they can produce more severe ground movements Surface Waves
A scale devolved to rate earthquakes according to their intensity, or strength at a give place Mercalli Scale
A number that geologist assign to an earthquake based on the earthquake's size magnitude
A scale that assigns magnitude number to an earthquake based on the size of the seismic waves Richter Scale
Where the seismic waves are measured seismograph
A rating system that estimates the total energy released by an earthquake moment magnitude scale

Earthquakes Crossword

Type
Crossword
Description

force that acts on a rock to change its shape for volume stress
stress force that pulls on the crust and thins rock in the middle tension
stress force that squeezes rock until it folds or breaks compression
stress that pushes a mass of rock in two opposite directions shearing
type of fault where the hanging wall slides downward which is caused by tension in the crust normal fault
same structure as normal fault but the blocks are switched reverse fault
fault where rocks on both sides of the fault slip past each other sideways strike-slip fault
large area of flat land raised high above sea level plateau
shaking and trembling that results from movement in the Earth's crust earthquake
area beneath Earth's surface where rock under stress breaks or moves focus
point on Earth's surface that is directly above the faocus epicenter
seismic waves that compress and expand the ground P wave
seismic waves that can vibrate from side to side S waves
waves that can produce severe ground movements Surface waves
instrument used to gecord and measure earthquakes seismograph
rates amount of shaking from an earthquake Modified Mercalli
single number that geologists assign to earthquakes based on its size magnitude
rates earthquakes magnitude based on the size of its seismic waves Richter Scale
rates total energy an earthquake releases Moment Magnitude Scale
record of an earthquake's seismic waves produces by a seismograph seismogram

Earthquakes Crossword

Type
Crossword
Description

a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action. Earthquake
The point on the Earth's surface that is directly above the hypocentre or focus, the point where an earthquake or underground explosion originates. Epicenter
The severity of earthquake shaking is assessed using a descriptive scale – the Modified Mercalli Intensity Scale. Intensity
An area on the margins of tectonic plates where seismic, volcanic, and tectonic activity takes place as a consequence of the relative motion of the plates. Plate Boundary
The point in the earth where the earthquake rupture or fault movement actually occurred. Focus
an instrument that measures and records details of earthquakes, such as force and duration. Seismograph
A sudden movement of the ground that releases elastic energy stored in rocks and generates seismic waves. Ground Movement
a twelve-point scale for expressing the local intensity of an earthquake, ranging from I (virtually imperceptible) to XII (total destruction). Mercalli Scale
A thin zone of crushed rock separating blocks of the earth's crust. Fault
A magnitude number to quantify the energy released by an earthquake. Richter Scale
The great size or extent of something. (size) Magnitude
A nonlinear scale used when there is a large range of quantities. Logarithmic Scale

Earthquake Crossword

Type
Crossword
Description

The stress force that pulls on the crust and thins rock in the middle. Tension
The stress force that squeezes rock until it folds or breaks Compression
Stress that pushes a mass of rock in two opposite directions Shearing
A large area of flat land elevated high above sea level Plateau
The shaking and trembling that results from movement of rock beneath Earth's surface. Earthquake
The area beneath Earth's surface where rock that was under stress begins to break or move. Focus
The point on the surface directly above the focus Epicenter
Seismic waves that compress and expand the ground like an accordion P Waves
Seismic waves that can vibrate from side to side S Waves
An instrument that records and measures an earthquake's seismic waves Seismograph
A single number that geologists assign to an earthquake based on the earthquake's size Magnitude
The fault that cuts through rock at an angle, so one block of rock sits over the fault, while the other block lies under the fault. Normal fault

Earthquakes and Tsunamis Crossword

Type
Crossword
Description

the action or process of changing in shape or distorting Deformation
a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle plate tectonics
causes the Earth to rise stress
a force tending to pull or stretch something to an extreme or damaging degree strain
the action of compressing or being compressed compression
the state of being stretched tight. tension
break off or cause to break off, owing to a structural strain shearing
A bend in a layer of rock or in another planar feature such as foliation or the cleavage of a mineral. folds
the separation of an object or material into two or more pieces under the action of stress. fractures
a crack in the Earth's crust. faults
a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action. earthquake
an explanation for how energy is spread during earthquakes. elastic rebound theory
The location where the earthquake begins. focus
the point on the earth's surface vertically above the focus of an earthquake. epicenter
an elastic wave in the earth produced by an earthquake or other means seismic wave

earth systems Crossword

Type
Crossword
Description

the action or process of changing in shape or distorting, especially through the application of pressure. deformation
a shallow break in the earths crust not moving surroundings crust fracture
a deep break in the earths crust moving the surrounding crust fault
make up mountain systems mountain ranges
make up mountains belts mountain systems
largest collection of mountains, only two in the world mountian belts
when two collide putting stress causing them to fold folded mountains
a flat area of land high above sea level plateau
when plates pull apart and some materials and pushed upward and some collapse fault block mountain
where magma rises up and pushes earths crust outward without breaking the crust dome mountian
mountains that have a hole where lava ash and smoke can come out volcanic mountains
areas far from plate boundary where there are active volcano hot spots
a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action earthquake
where the earthquake takes place underground focus
where the earthquake takes above ground epicenter
a seismic wave that moves through the interior of the earth P and S waves are both this type of wave body waves
the interaction of s and p waves surface waves
the fastest type of wave p waves
are the second fastest wave s wave
an instrument that measures and records details of earthquakes seismograph
record produced by a seismograph seismogram
indicates the strength of an earthquake magnitude
The severity of an earthquake intensity
a long high sea wave caused by an earthquake tsunami

earthquakes Word Search

Type
Word Search
Description

strong
dammage
divergent
mercallie scale
liquifaction
fault
plate boundaries
convergent boundary
transform boundary
ritcherscale
tsunami
aftershock
seismogram
seismograpgh
magnitude
surfacewave
swave
pwave
epicenter
focus
earthquake
shearing
compression
tension
stress

plate tectonics vs. earthquakes Word Search

Type
Word Search
Description

data
seismic waveforms
earthquake saftey hazards
faults
seismograph
sesismic waves
prepare
saftey
boundaries
transform
convergent
divergent
subduction
earthquakes
plate tectonic

Earthquakes and seismic waves Crossword

Type
Crossword
Description

is the shaking and trembling that results from the movement of rock beneath Earth's surface earthquake
is the area beneath Earth’s surface where rock that is under stress breaks, triggering an earthquake foucus
the point on the surface directly above the focus epicenter
are seismic waves that compress and expand the ground like an accordion P waves
are seismic waves that vibrate from side to side as well as up and down S waves
move more slowly than P waves, and S waves, but they can produce severe ground movements surface waves
was developed to rate earth earthquakes according to the level of damage at a given place Mercalli scale
was developed to rate earth earthquakes according to the level of damage at a given place magnitude
is a rating of an earthquake’s magnitude based on the size of the earthquakes seismic waves Richter scale
is used to measure seismic waves seismograph
a rating system that estimates the total energy released by an earthquake moment magnitude scale

Plate Tectonics and Volcanoes Crossword

Type
Crossword
Description

hypothesis that states the continents once formed a single landmass continentaldrift
scientist that proposed continental drift Wegener
long, undersea mountain chain with steep valley at it's center midoceanridge
the process which new oceanic lithosphere forms as magma rises to Earth’s surface and solidifies seafloorspreading
study of alignment of magnetic mineral in rock, as it relates to the reversal of Earth’s magnetic poles Paleomagnetism
theory that explains how large pieces of the lithosphere move and change shape platetectonics
solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle lithosphere
solid, plastic layer of the mantle beneath the lithosphere asthenosphere
he boundary between tectonic plates that are moving away from each other divergentboundary
the boundary between tectonic plates that are colliding convergentboundary
he boundary between tectonic plates that are sliding past each other transformboundary
the process by which Earth’s crust breaks apart rifting
piece of lithosphere that has a unique geologic history and that may be part of a larger piece of lithosphere terrane
supercontinent that formed 300 million years ago and that began to break up beginning 250 million years ago Pangaea
single, large ocean that covered Earth’s surface during the time of Pangaea Panthalassa
movement or trembling of the ground that is caused by a sudden release of energy when rocks along a fault move earthquake
the sudden return of elastically deformed rock to its undeformed shape elasticrebound
the location where the first motion of an earthquake occurs focus
point on Earth’s surface directly above an Earthquake’s starting point or focus epicenter
a region of numerous, closely spaced faults faultzone
tracing of earthquake motion that is recorded by a seismograph Seismogram
an instrument that records vibrations in the ground Seismograph
measure of the strength of an earthquake magnitude
in Earth science the amount of damage caused by an earthquake intensity
a giant ocean wave that forms after a volcanic eruption tsunami
liquid rock produced under Earth’s surface magma
any activity that includes the movement of magma toward or onto Earth’s surface volcanism
magma that flows onto Earth’s surface; the rock that forms when lava cools and solidifies lava