Question 1: Volcanic eruptions can melt snow and ice and cause
pyroclastic flows
volcanic ash
Lahars
laccoliths
Question 2: The ___________ scale measures actual earthquake damage
Richter
Fujita
Mercalli
Beaufort
Question 3: The slow release fo energy along a fault is called
an earthquake
slumping
fault creep
mercalli movement
Question 4: When water saturated ground is subjected to shaking by an earthquake it can produce
a fault scarp
liquefaction
shear cracks
ground subsidence
Question 5: Seismic waves with the highest velocity are called
P waves
S waves
surface waves
shadow waves
Question 6: The largest volcanoes are
Composite cones
Cinder cones
Shield
flank eruptions
Question 7: A continental volcanic arc would form along
A spreading center
A transform fault
An oceanic-continental subdution zone
An oceanic-oceanic subduction zone
Question 8: The portion of the Earth that is capable of plastic flow is called
The inner core
The lithosphere
The asthenosphere
A subduction zone
Question 3: The _____ wave shadow zone indicates that the outer core is liquid
subduction zone
P
B
Surface
Question 10: The Curie point is
Where magnetic minerals loose and regain their magnetism
Where magnetic poles reverse
Where partical rock melting occurs
Where seafloor spreads
Question 11: The Hawaiian Islands formed over
A spreading center
A hot spot
A subduction zone
a meteor impact
Question 12: "Basaltic magma, such as that erupting in Hawaii is usually caused by"
Decompression melting
partial melting during subduction
magmatic differentiation
magmatic assimilation
Question 13: "Sharp, jagged basalt lava is called"
Pahoehoe
Pyroclastic
Aa
Ropy
Question 14: The discovery of magnetic reversal strips in the ________ was considered proof of Continental Drift
lava flows
Atlas Mountains
seafloor
Alppalachain Mountains
Question 15: A large cooled mass of igneous rock is called
A dike
A sill
A laccolith
A batholith
Question 16: A large circular or oval depression formed during the explosive eruption of a volcano is called
a crater
a caldera
a volcanic rift
a cinder cone
Question 17: A Tsunami is produced by
An undersea earthquake
ground liquefaction
an ice shelf collapse
Seafloor subduction
Question 18: A rift valley forms along a
subduction zone
A spreading center
A transform fault
A magnetic reversal
Question 19: The concept of Continental Drift was proposed by Alfred Wegener. Wegener was a
Geologist
Paleontologist
Seismologist
Meteorologist
Question 20: Most volcaoes are found
In continental interiors
in sedimentary rock areas
under glaciers
At plate boundaries
Question 21: We can determine the epicenter of an earthquake from the arrival time of
P waves
S waves
surface waves
both P and S waves
Question 22: The greatest area of continuous volcanic eruption is at
The mid-ocean rift
tectonic zones
deep ocean trenches
continental interiors
Question 23: The focus and the epicenter of an earthquake are the same
TRUE
FALSE
Question 24: Earth's magnetic field originates in
the inner core
the oter core
the mantle
the lithosphere
Question 25: A deep ocean trench forms along
A spreading center
A transform fault
An coeanic-oceanic subduction zone
A continental-continental subduction zone