Earthquakes & Volcanoes Question Preview (ID: 3446)
Ch 11.
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When rocks change shape by breaking, ___ form.
a) volcanoes
b) plate boundaries
c) epicenters
d) faults
The ___ is the point deep inside Earth where an earthquake occurs.
a) epicenter
b) focus
c) seismic wave
d) magnitude
The Richter scale measures the ___ of an earthquake.
a) magnitude
b) intensity
c) epicenter
d) focus
Seismic waves are recorded using an instrument called a ___.
a) Mercalli Scale
b) Richter Scale
c) seismograph
d) tephra
Seismic sea waves, called ___, can cause huge waves at the shoreline.
a) intensity waves
b) seismic waves
c) ocean earthquakes
d) tsunamis
Magma flowing onto Earth's surface is called ___.
a) tephra
b) lava
c) craters
d) vents
As plates separate, long cracks called ___ form between them.
a) fissures
b) boundaries
c) rifts
d) ridges
Large bodies of magma called ___ may be responsible for forming the Hawaiian islands.
a) hot spots
b) tephras
c) rings of fire
d) conduction currents
the slowest and largest seismic waves
a) primary waves
b) secondary waves
c) surface waves
d)
the fastest seismic waves, which travel through rock material and cause the rock to move back and forth in the same direction as the waves
a)
b)
c)
d)
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