2546775
Descrição
Quiz por Lindsay Daly, atualizado more than 1 year ago
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Criado por Lindsay Daly
mais de 9 anos atrás
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|
Questão 1
Questão
Stress buildup occurs before and after an EQ
Responda
- True
- False
Questão 2
Questão
An EQ is
Responda
-
easy to predict
-
occuring over a plane
-
a release of stress that has been building up
Questão 3
Questão
Stress builds up, is released as an EQ then plate...
Responda
-
rebounds to a new position and stress begins to accumulate again
-
rebounds to same position and stress begins to accumulate
-
does a jig. help me I'm twitching from coffee
Questão 4
Questão
hypocentre is focus depth
Responda
- True
- False
Questão 5
Questão
surface waves cause damage. There are two types:
Responda
-
Love waves
-
Rayleigh waves
-
Benioff-wadati waves
-
shear waves
-
p-waves
Questão 6
Questão
seismographs measure the movement of the frame relative to the movement of the weight
Responda
- True
- False
Questão 7
Questão
s-p time is time in between s and p waves
Responda
- True
- False
Questão 8
Questão
Distance from epicentre
Responda
-
is basically a p-wave or s-wave curve
-
increases s-p time
-
decreases s-p time
-
can be used to determine magnitude
Questão 9
Questão
where s-p waves intersect is the epicentre
Responda
- True
- False
Questão 10
Questão
Felt intensity is
Responda
-
amount of damage caused
-
magnitude of the EQ
Questão 11
Questão
elastic straining
Responda
-
breaks bonds of an atom, and causes an EQ
-
causes bonds to bend, eq releases tension
Questão 12
Questão
The richter scale is a logarithm of s-p times
Responda
- True
- False
Questão 13
Questão
an increase of one on the richter scale corresponds to an increase in magnitude
Responda
-
31x
-
2x
-
10^x
Questão 14
Questão
MS = log10(A) + 1.656log10(∆) + 1.818
Responda
-
A= angle
-
A=amplitude
-
theta=angle
-
theta=felt intensity
Questão 15
Questão
Moment magnitude is based on energy released and it depends on:
Responda
-
area of fault
-
constrictions of rock type
-
slip of the fault
-
type of fault
-
surface waves
Questão 16
Questão
solidus is the line of pressure vs temperature
Responda
-
it is the line of partial melt
-
it is the line of complete melt
-
it is the line where the rock is a solid
Questão 17
Questão
liquidus is the line of
Responda
-
pressure vs temp for when the minerals are completely melted
-
pressure vs depth when the minerals are completely melted
-
pressure vs temperature for when the minerals are partially melted
Questão 18
Questão
which is a felsic rock?
Responda
-
andesite
-
rhyolite
-
basalt
Questão 19
Questão
higher silica content
Responda
-
causes higher viscosity
-
causes lower melting point
-
is found in mafic rocks
-
is found in felsic rocks
Questão 20
Questão
when gas is present in lava
Responda
-
the more viscose the lava, the harder it is for the gas to escape, the more explosive the eruption
-
the lowering of the pressure causes bubbles to form, pushing the magma up
-
it evaporates due to the high temperature
-
it creates a hot pocket of gas in the belly of the volcano
Questão 21
Questão
ways to melt plates
Responda
-
plume heating
-
divergent boundaries(decompression)
-
convergent (hydration)
-
transform
-
normal
Questão 22
Questão
plumes rise from the __________________ because they're hotter
Responda
-
athenosphere
-
lithosphere
-
core-mantle boundary
-
mantle
Questão 23
Questão
effusive eruptions generally:
Responda
-
occur above hot spots
-
are composed of low viscocity magma
-
are basaltic
-
are felsic
-
are found at divergent boundaries
Questão 24
Questão
Pahoehoe lava
Responda
-
has a solid, cooled skin on the surface
-
is 1100-1200C
-
is very and is felsic
-
has low viscosity and is balsaltic
-
is 1000-1100C
Questão 25
Questão
A'a lava
Responda
-
is mafic
-
forms little solid chunks and then is broken up by the still liquid lava
-
is 1000-1100C
-
could have been Pahoehoe
-
is felsic
-
is more liquid
Questão 26
Questão
when decompression occurs
Responda
-
there is reduced pressure, which allows the atoms to vibrate more
-
it is at divergent plate boundaries
-
the decrease in pressure causes the lava to fill the now empty space
-
if the magma moves up fast it can melt as it there is less and less pressure keeping the atoms confined
-
it produces large amounts of new lithosphere
-
it is generally mafic magma which then creates basalt
Questão 27
Questão
when hydration melting occurs
Responda
-
it is at convergent plate boundaries
-
the water in the plate causes the plate to melt at lower temperatures
-
the water at high pressures helps to break the Si-O bonds
-
the geotherm is moved to the left
-
the solidus is moved to the left
Questão 28
Questão
subduction zone volcanism depends on
Responda
-
hydration
-
the angle of subduction
-
the plate boundary
-
the core mantle boundary
Questão 29
Questão
mainly___________ and ___________ erupt at convergent boundaries
Responda
-
andesite and rhyolite
-
andesite and basalt
-
basalt and rhyolite
Questão 30
Questão
islands arcs are behind the trench
Responda
- True
- False
Questão 31
Questão
A monopole is known to be possible
Responda
- True
- False
Questão 32
Questão
are these right?
Responda
-
inclination is degree from horizontal, intensity, declination is angle from true north
-
inclination is intensity, declination is degree from horizontal
-
decelnienvraru bvlea echjfd'nuojiawmec .i;oinwce]b[9'
Questão 33
Questão
the eart's magnetic field can't be driven by magnetic iron because
Responda
-
the high temperature's would surpass iron's curie temperature and it would lose it's magnetism
-
the temperature is too high
-
there is no magnetic field in the core to induce the atoms to align and create a magnetic field
Questão 34
Questão
a dynamo
Responda
-
converts mechanical energy into electrical energy
-
is what powers the earth's core
-
is found in the solar flares
-
is what changes the solidus' slope
Questão 35
Questão
dynamo depends on
Responda
-
speed
-
conductivity of metal
-
size
-
area
-
temperature
Questão 36
Questão
thermal convection in the inner core is caused by
Responda
-
heat transfer from the inner core to the outer core
-
latent heat of formation from the inner core's expansion
-
heat caused by the dynamo
Questão 37
Questão
choose the right pairing
Responda
-
solar wind= charged particles from the sun magnetosphere= area in which charged particles are still affected by the earth's magnetic field magnetotail= part of magnetosphere that is pushed away by solar winds
-
solar wind=part of magnetosphere that is pushed away magnetosphere= charged particles from the sun magnetotail= area in which charged particles are still affected by the earth's magnetic field
Questão 38
Questão
northern lights are caused by:
Responda
-
ions that get excited when trapped in earth's magnetic field
-
the magnetosphere becoming more hot with global warming
-
release of energy from fission of new particles in magnetosphere
Questão 39
Questão
ionospheric fields are caused when charged particles' magnetic fields interact with the magnetic field 80-200 km above the earth
Responda
- True
- False
Questão 40
Questão
when the field strength reaches zero
Responda
-
there can be a polar reversal
-
things can stay the same
-
organisms are introduced to more radiation
Questão 41
Questão
centrifugal force keeps the international space station orbiting the earth by counteracting the normal force
Responda
- True
- False
Questão 42
Questão
gravity in the center of the earth is only dependent on the stuff directly beneath you because
Responda
-
there is more beneath you, but it's cancelled out by what's above
-
there's more mass above, but the mass below is heavier and cancels it out
-
the mass above is pulling up, which is cancelled out by the mass farther below, pulling down
Questão 43
Questão
apparent gravity is
Responda
-
the gravity that can be observed
-
the gravity at any point on earth
Questão 44
Questão
gravity is weaker by 0.05 at the equator because
Responda
-
the heat interferes with gravitational field lines
-
earth's oblong shape causes more centrifugal force to be at the equator, counteracting gravity to a small degree
-
there is more mass between earth's core and equator
Questão 45
Questão
isostasy means
Responda
-
the weight of the mountains is equal to the weight of the displaced mantle
-
that whatever is closest to earth's core will feel more gravity
-
that the more dense mountain condenses the mantle
Questão 46
Questão
depth at which mantle flow occurs is the
Responda
-
compensation depth
-
moho
-
focus depth
Questão 47
Questão
elevation is dependent on
Responda
-
height
-
density
-
composition
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