Natural Disasters Final Exam
__________ floods cause the greatest number of deaths, while
_____ regional floods cause the most economic loss. Correct
Answers Flash, regional
___________ rocks are intrusive and formed from _________.
Correct Answers plutonic, magma
3 parts of an impact: Correct Answers vapor
debris
melt
3 stages of fire Correct Answers preheating, pyrolisis,
combustion
3 things needed for combustion Correct Answers fuel, oxygen
and heat (energy)
A "creeping" zone of a fault system will release its stored energy
by _______ earth quakes. Correct Answers small/frequent
A basin, commonly less than 2 m in diameter, formed from the
explosion of volcanic material Correct Answers craters
a common misconception about earthquake effects Correct
Answers earthquake weather
a cooling phenomena in which joints form in a hexagonal patter,
commonly found in lava flows and flood basalts Correct
Answers columnar jointing
,a cooling phenomena that produces round bulbous formations
when lava erupts under the ocean Correct Answers pillow
basalts
a dark colored (generally black) volcanic rock with <55% SiO2
Correct Answers basalt
A fault in which the hanging wall moves down with respect to
the footwall is called a _____ fault. Correct Answers normal
A flood frequency curve is constructed by: Correct Answers
graphing recurrence interval vs. discharge
A graph of a river that shows the distance upstream to
downstream versus elevation Correct Answers longitudinal
profile
A graph of the volume of water or gage height with respect to
time. Correct Answers hydrograph
a lahar is produced when: Correct Answers ash and other
pyroclastic ejecta become saturated with water
a light colored (generally pink) volcanic rock with >65% SiO2
Correct Answers rhyolite
A material deforms under stress. When stress is released, the
material retains the new shape. This material behavior is called:
Correct Answers ductile
, A measure of the amount of water vapor in an air mass: Correct
Answers humidity
a narrow crack or parting in the earth's surface through which
lava flows Correct Answers fissure eruptions
a place where three plates meet Correct Answers triple junction
a reverse fault that does not break the surface Correct Answers
blind thrust
A rotating band of heavy rain and hail around a supercell
thunderstorm as seen on radar: Correct Answers hook echo
A state of stress that tends to pull an object apart: Correct
Answers tension
A steep, clifflike face or slope; typically caused by ground
displacement: Correct Answers scarp
A stream with _____ sediment will result in a _____ in stream
gradient as the system moves toward equilibrium. Correct
Answers too much, increase
A stream with too much sediment load will usually have a ____
channel pattern. Correct Answers braided
A tall building (about 20 stories) will have a ____ period and is
susceptible to _____ frequency seismic waves. Correct Answers
long, low
__________ floods cause the greatest number of deaths, while
_____ regional floods cause the most economic loss. Correct
Answers Flash, regional
___________ rocks are intrusive and formed from _________.
Correct Answers plutonic, magma
3 parts of an impact: Correct Answers vapor
debris
melt
3 stages of fire Correct Answers preheating, pyrolisis,
combustion
3 things needed for combustion Correct Answers fuel, oxygen
and heat (energy)
A "creeping" zone of a fault system will release its stored energy
by _______ earth quakes. Correct Answers small/frequent
A basin, commonly less than 2 m in diameter, formed from the
explosion of volcanic material Correct Answers craters
a common misconception about earthquake effects Correct
Answers earthquake weather
a cooling phenomena in which joints form in a hexagonal patter,
commonly found in lava flows and flood basalts Correct
Answers columnar jointing
,a cooling phenomena that produces round bulbous formations
when lava erupts under the ocean Correct Answers pillow
basalts
a dark colored (generally black) volcanic rock with <55% SiO2
Correct Answers basalt
A fault in which the hanging wall moves down with respect to
the footwall is called a _____ fault. Correct Answers normal
A flood frequency curve is constructed by: Correct Answers
graphing recurrence interval vs. discharge
A graph of a river that shows the distance upstream to
downstream versus elevation Correct Answers longitudinal
profile
A graph of the volume of water or gage height with respect to
time. Correct Answers hydrograph
a lahar is produced when: Correct Answers ash and other
pyroclastic ejecta become saturated with water
a light colored (generally pink) volcanic rock with >65% SiO2
Correct Answers rhyolite
A material deforms under stress. When stress is released, the
material retains the new shape. This material behavior is called:
Correct Answers ductile
, A measure of the amount of water vapor in an air mass: Correct
Answers humidity
a narrow crack or parting in the earth's surface through which
lava flows Correct Answers fissure eruptions
a place where three plates meet Correct Answers triple junction
a reverse fault that does not break the surface Correct Answers
blind thrust
A rotating band of heavy rain and hail around a supercell
thunderstorm as seen on radar: Correct Answers hook echo
A state of stress that tends to pull an object apart: Correct
Answers tension
A steep, clifflike face or slope; typically caused by ground
displacement: Correct Answers scarp
A stream with _____ sediment will result in a _____ in stream
gradient as the system moves toward equilibrium. Correct
Answers too much, increase
A stream with too much sediment load will usually have a ____
channel pattern. Correct Answers braided
A tall building (about 20 stories) will have a ____ period and is
susceptible to _____ frequency seismic waves. Correct Answers
long, low
