WorksheetsGEEOHFOUR
Total questions: 82
Worksheet time: 49mins
An active volcano has had at least one eruption in _____ years.
100,000
100
10,000
1,000,000
what type of fault is this?
dip-slip normal
dip-slip reverse
strike-slip left lateral
strike-slip right lateral
what are the three numbers needed to tell us our location on Earth?
longitude
all of the above
latitude
elevation
T/F: the higher magnitude the earthquake, the rarer it is.
true
false
what are the 4 A's of mitigation (select all that applies)
avoid
accept
anticipate
alter
assume
what is a graph of seismic waves called?
(a)
what are predictions of volcanoes being active?
gas emissions
earthquakes
all of the above
ground deformation
how to calculate slope?
run over rise
run subtract rise
rise over run
rise add run
eruptive features of stratovolcanoes (select all that applies)
bombs
ash fall
lahars
pyroclastic flow
debris avalanches
T/F: natural hazards are inevitable, but natural disasters are not
true
false
what is the loss of energy with distance due to scattering and friction refer as?
amplitude
geometrical spreading
magnitude
attenuation
which plate boundaries produce gigantic earthquakes?
transform
divergent
convergent
T/F: body waves arrive before surface waves
true
false
what happens when steps push together in strike slip faults?
mountains, hills
ridges
holes
all of the above
which type of rock moves more easily during an earthquake?
hard rock
sediment or soil
cliffs
boulders
is liquefaction a result of earthquakes?
no
yes
what is associated with spreading center volcanoes? (select all that applies)
low viscosity
low volatility
large volume
high viscosity
T/F: amplitude is related to the strength of shaking
true
false
what is NOT true of Hawaiian eruptions?
high volume
low volatiles
low viscosity
high viscosity
what are the basic map elements? (select all that applies)
numeric scale
north arrow
title
legend
graphical scale
what type of fault is this?
dip slip right lateral
strike slip normal
strike slip left lateral
dip slip reverse
what type of volcano is Yellowstone?
shield
spreading center
none of the above
large caldera
which type of waves are felt as shocks?
body
surface
p-wave
s-wave
T/F: transform plate boundaries produce greater earthquakes than convergent boundaries.
true
false
T/F: larger contour spacing means steeper slope
true
false
what is the recording of seismic waves called?
seismometer
seismograph
seismogram
seisms
T/F: soft ground moves more easily during an earthquake
false
true
(a) are used to record seismic waves?
where do Icelandic eruptions occur?
(a)
what is true of flood basalts? (select all that applies)
large volume
low viscosity
low volatility
high volatility
which type of boundaries produce the smallest earthquakes?
convergent
divergent
transform
none of the above
T/F: the bigger the earthquake, the more energy emitted
true
false
what is associated with Strombolian volcanoes? (select all that applies)
moderate viscosity
moderate volatiles
low-moderate volume
low viscosity
T/F: floor basalts are correlated with mass extinctions
true
false
are basalt magmas more or less explosive?
less
more
what is the number of waves passing through a fixed point during 1 seconds time referred to?
wavelength
period
amplitude
frequency
what type of fault is this?
strike-slip left lateral
dip slip reverse
strike slip right lateral
dip slip normal
what is viscosity?
resistance to melt
resistance to liquify
resistance to flow
resistance to temperature
are epicenters or hypocenters deep in the earth?
epicenters
hypocenters
what does amplitude refer to?
number of waves
distance between waves
time between waves
height of waves
what are stratovolcanoes also known as?
(a)
what is frequency measured in?
seconds
hours
minute
hertz
when did mt. saint helens erupt?
may 18, 1999
may 18, 1980
may 18, 1978
may 18, 1988
what causes propagation, changes in amplitude? (select all that applies)
geometrical spreading
attenuation
rock type
site effects
earthquake magnitude
are higher viscous rocks lighter or darker?
darker
lighter
what happens when steps in strike slip faults pull apart?
creates holes, basins
creates hills
creates mountains
none of the above
which type of boundaries do Strombolian eruptions occur?
(a)
what is true of Vulcanian eruptions? (select all that applies)
moderate volume
high volume
moderate-high viscosity
moderate-high volatiles
what is NOT true of cinder (scoria) cone volcanoes?
medium viscosity
low volatility
medium volatility
small volume
what type of fault is this?
dip slip normal
strike slip right lateral
strike slip left lateral
dip slip reverse
which type of volcanoes are the most peaceful?
hawaiian
Strombolian
vulcanian
icelandic
pinion
are andesite and rhyolite magmas MORE explosive than basalt magmas?
no
yes
does more dissolved water = more explosive eruption?
no
yes
which type of rocks have a higher silica content?
diamonds
andesite
basalt
rhyolite
what type of volcano is Hawaii
vulcanian
Strombolian
hot spot
stratovolcano
what is the distance between waves called?
frequency
period
amplitude
wavelength
what types of plate boundaries slide past each other?
none of the above
transform
convergent
divergent
what is period measured in?
minutes
hours
seconds
years
which type of rock have the highest viscosity?
all of the above
basalt
rhyolite
andesite
does higher viscosity mean more explosive eruptions?
no
yes
What are the chemical layers of earth?
crust, mantle, mesosphere
crust, asthenosphere, inner core
crust, mantle, core
crust, mantle, lithosphere
which of these have the highest viscosity?
peanut butter
water
honey
melted ice cream
what is true of lava domes? (select all that applies)
small volume
high viscosity
low volatility
large volume
what are the evidences for plate tectonics? (select all that applies)
shape of the continent
rocks of mountain belts
earthquake, volcano locations
fossils
seafloor magnetization; hot spot volcanism
what are the 3 V's of volcanic hazard?
volatile
volume
all of the above
viscosity
a volcano's volatility refers to (a)
what is the time between waves called?
amplitude
period
frequency
wavelength
what are the mechanical layers of earth?
atmosphere, hydrosphere, lithosphere, asthenosphere, mesosphere, core
crust, mantle, core
crust, lithosphere, asthenosphere, mesosphere, core
atmosphere, hydrosphere, lithosphere, asthenosphere, mesosphere, inner core, outer core
what does volume refer to?
(a)
On which mechanical layer does earthquakes occur?
lithosphere
mesosphere
inner core
asthenosphere
what is associate with divergent plate boundaries?
mid-ocean ridge; spreading center
subduction zones
hot spots
What is NOT an internal source of energy that moves tectonic plates?
solar radiation
energy from radioactive decay
impact energy
Gravitational energy from earth differentiation
T/F: large scales maps show less detail
true
false
which mechanical layer does earthquakes occur?
asthenosphere
mesosphere
lithosphere
inner core
which plate boundary is pulling apart?
divergent
transform
convergent
dip-slip
what is associated with icelandic eruptions? (select all that applies)
high volume
low volatiles
low viscosity
none of the above
where are major divergent boundaries located? (select all that applies)
mid-atlantic ridge
East African rift valley
california
indian-australian plate
what is associated with pinion eruptions? (select all that applies)
high volatiles
high volume
low volume
high viscosity
what motions are associated with convergent plates?
plates sliding past one another
plates colliding
plates pushing away from one another
how to make magma? select all that apply
lowering pressure
rating pressure
adding water
raising temperature
where do pinion eruptions occur?
convergent and divergent boundaries
convergent boundary or continental-hot spot
divergent boundary or continental hot spot
transform and convergent boundaries
where do volcanoes occur? (select all that applies)
convergent plate boundaries
divergent plate boundaries
transform plate boundaries
all of the above
