Earthquakes Question Preview (ID: 19564)


Earthquake Review. TEACHERS: click here for quick copy question ID numbers.

the ___________ is the point undreground where an earthquake begins.
a) seismic wave
b) epicenter
c) focus
d) center

The seismic waves that arrive first are called___________.
a) primary waves
b) secondary waves
c) surface waves
d) tertiary waves

A normal fault occurs when the blocks of rock ______
a) pull apart
b) push together
c) scrape past one another
d) collide

A strike slip fault occurs when the blocks of rock
a) pull apart
b) push together
c) scrape past one another
d) collide

The seismic wave that causes the most amount of damage is the ______waves
a) primary
b) surface
c) secondary
d) tertiary

A _____________ is used to measure ground movement in an earthquake.
a) seismograph
b) Richter Scale
c) triple beam balance
d) anemometer

________________ provides cushion for tall building when an earthquake strikes
a) shear wall
b) cross braces
c) base isolators
d) shear core

A __________ occurs when the blocks of rock at a fault moves together and push up.
a) strike slip fault
b) normal fault
c) reverse fault
d) divergent fault

Most earthquakes occur along___________
a) oceans
b) islands
c) plate boundaries
d) coastlines

An ______________ is a smaller earthquake that takes place after the larger one.
a) aftershock
b) liquefaction
c) pyroclastic
d) epicenter

________________ occurs when the soil acts as a liquid during an earthquake.
a) liquefaction
b) tsunami
c) aftershock
d) fault

_____________________ are criss cross braces are sued to strengthen a structure to make it earthquake resistant.
a) cross braces
b) base isolators
c) shear core
d) moat

___________________________ is a scale used to find the magnitude of the quake.
a) Richter Scale
b) Fujita scale
c) epicenter
d) seismometer

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