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Earth Science Ch. 8 Flashcards | StudBud
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Earth Science Ch. 8
Earth Science Ch. 8
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All about chapter 8. Including, earthquakes, theories, etc.
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
The thin, rocky outer core layer of Earth
core
Moho
mantle
crust
2
a weak plastic layer of the mantle situated below the lithosphere; rock is easily deformed
asthenosphere
mantle
crust
lithosphere
3
Inner core is....
the liquid innermost layer of the earth
the crust
the gas innermost layer of the earth
the solid innermost layer of the earth
4
An area along a fault where there's no EQ activity for a long time is called ____________.
fault
seismic gap
epicenter
focus
5
An explanation stating that when rocks are deformed, they break, releasing the stored energy...
earthquake
elastic rebound hypothesis
plate tectonics
seismograph
6
a Japanese word for a seismic sea wave
earthquake
ocean
water
tsunami
7
The point within Earth where an earthquake originates is called the _________.
fault
epicenter
gap
focus
8
The record made by a seismograph is a ________.
seismograph
seismic gap
seismoquake
seismogram
9
the rigid outer layer of Earth including crust and upper mantle
lithosphere
mantle
crust
asthenosphere
10
a small earthquake that follows the main earthquake
mainshock
duringshock
foreshock
aftershock
11
What is an Earthquake?
vibration of Earth created by the rapid release of energy
the point in earth where the earthquake originates
the point directly above the focus
a fracture in Earth along which movement has occurred
12
the amount of displacement that occurs along a fault zone & estimates the energy released is
Moment Magnitude
Seismic Gap
seismogram
Richter Scale
13
_____is the boundary separating the crust from the mantle, discernible by the velocity of waves
convergent
Divergent
Moho
Transform fault
14
soils and other unconsolidated materials with water tun into a liquid
saturation
liquefaction
moment magnitude
gap
15
True or False? The epicenter is the location on Earth's surface directly above the focus.
false
true
16
a small earthquake that precedes (comes before) a major earthquake
aftershock
foreshock
mainshock
duringshock
17
What are three types of waves?
S waves, P waves , K waves
P waves, S waves, L waves
P waves, M waves, L waves
P waves, M waves, K waves
18
The 2890 km thick layer of Earth located below the crust
core
mantle
Moho
crust
19
What is a seismograph?
an instrument that records earthquake waves
an instrument that tells you where the epicenter is
an instrument that predicts earthquakes
an instrument that records videos of dogs
20
a layer beneath the mantle & contains liquid iron & generates earths magnetic field
mantle
inner core
lithosphere
outer core
