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