Physical Geology 14th Edition by Plummer – Test Bank

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Chapter 05

Weathering and Soil

 

True / False Questions

  1. The term mechanical weathering refers to changes in a rock that are physical; there is little or no chemical change.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. Chemical weathering will eventually change a quartz crystal into clay minerals.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. Because the crystal structure of ice is different from that of water, liquid water expands when it freezes.
    TRUE

 

Bloom’s Level: 2. Understand

  1. Expanding ice in soil pushes large boulders down into the ground.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Soil

 

  1. The reduction of pressure on a body of rock can cause it to crack as it expands.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. Plants, such as roots growing in cracks, and animals compacting the soil, have little influence on mechanical weathering.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. All rocks chemically weather the same way.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. Without chemical weathering, the elevated levels of carbon dioxide in the atmosphere would have long ago made the Earth too hot to sustain life.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. Oxygen is abundant in the atmosphere but it does not combine with minerals of the Earth’s crust.
    FALSE

 

Bloom’s Level: 2. Understand

 

  1. An acid is a chemical compound that gives off hydrogen ions (H+) to a chemical reaction.
    TRUE

 

Bloom’s Level: 1. Remember
Topic: Weathering

  1. Hydrogen ions given off by natural acids can disrupt the crystal structure of most minerals, making the structure susceptible to further decomposition.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. Ordinary rain has a pH of about 5.5 to 6 from the carbon dioxide in the atmosphere and from natural sources of acidic sulfur gases.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. The only processes that affect rock are weathering and climate.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. When feldspar is attacked by carbonic acid it forms clay minerals.
    TRUE

 

Bloom’s Level: 1. Remember
Topic: Weathering

 

  1. The single most important agent for the chemical weathering is temperature.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. Clay minerals help hold water and clay nutrients in soil.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Soil

  1. Because of the slow pace of weathering processes, it takes millions of years for a viable soil profile capable of supporting plant life to develop in most areas.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Weathering
Topic: Soil

  1. The B-horizon in soil is the zone of accumulation.
    TRUE

 

Bloom’s Level: 1. Remember
Topic: Soil

  1. Transportation is the picking up or physical removal of rock particles by an agent such as running water or glaciers.
    FALSE

 

Bloom’s Level: 1. Remember
Topic: Erosion

 

  1. Sand-size grains of feldspar can be preserved in a soil profile over great time periods because of feldspar’s resistance to chemical weathering.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Soil

 

Multiple Choice Questions

  1. ___ is the picking up and physical removal of rock particles by an agent such as wind, flowing liquid water, or glaciers.
    A.Weathering
    B. Extraction
    C. Erosion
    D. Deposition
    E. Provenance

 

Bloom’s Level: 1. Remember
Topic: Erosion

  1. _______ refers to the group of destructive processes that change the physical and chemical character of rocks at the Earth’s surface.
    A.Weathering
    B. Extraction
    C. Erosion
    D. Deposition
    E. Provenance

 

Bloom’s Level: 1. Remember
Topic: Weathering

 

  1. Chemical weathering generally proceeds __.
    A.at about the same rate throughout a rock body
    B. fastest in the intact interior of a rock body, where ions easily move short distances from grain to grain
    C. fastest on flat joint (crack) faces that are distant from any corners or edges
    D. along contacts between mineral grains
    E. fastest at the tip of growing cracks deep within the rock

 

Bloom’s Level: 1. Remember
Topic: Weathering

  1. _______ is a byproduct of rock weathering.
    A.Soil
    B. Metamorphic rock
    C. Igneous rock
    D. Water
    E. Oil

 

Bloom’s Level: 1. Remember
Topic: Soil

  1. Water that has trickled down into a joint in a rock can freeze, expand, and _____.
    A.glue the rock more tightly together
    B. make the rock harder
    C. seal the crack thereby preventing further weathering
    D. widen the crack and hastening the rock’s disintegration
    E. displace surface acids that may weaken the rock

 

Bloom’s Level: 2. Understand
Topic: Weathering

 

  1. ____ tend(s) to weather much faster than sandstone.
    A.Shale
    B. Granite
    C. Chert
    D. Gneiss
    E. Most other rock types

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. Frost wedging is most effective __.
    A.in areas with many days of freezing and thawing
    B. in the winter when the rock is frozen solid for months on end
    C. in the spring and fall in very dry desert areas where temperatures dip down below 0°C at night and above 0°C during the day
    D. in the summer when abundant rainfall percolates through the cracks to freeze in contact with the very cold rock found deep below the surface

 

Bloom’s Level: 1. Remember
Topic: Weathering

  1. The removal of a great weight of rock above a batholith by erosion allows the granite to expand forming ______.
    A.sheet dikes
    B. weathering rinds
    C. sheet joints
    D. cooling fractures
    E. thermal cracks

 

Bloom’s Level: 2. Understand
Topic: Weathering

 

  1. ______, formed as water evaporates inside small spaces in rock, helps disintegrate desert rocks.
    A.Calcite
    B. Salt
    C. Quartz
    D. Hematite
    E. Ice

 

Bloom’s Level: 1. Remember
Topic: Weathering

  1. Ferromagnesian minerals such as pyroxene, amphibole, biotite, and olivine are chemically altered in the presence of _____.
    A.quartz
    B. helium
    C. oxygen
    D. argon
    E. mica

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. ________ forms as a chemical weathering product of iron-rich minerals.
    A.Hematite
    B. Limonite
    C. Quartz
    D. Both hematite and limonite are correct.
    E. All of the choices are correct.

 

Bloom’s Level: 2. Understand
Topic: Weathering

 

  1. The ____ describes the process in which this dominant greenhouse gas circulates among Earth systems.
    A.calcium cycle
    B. sodium cycle
    C. potassium cycle
    D. helium cycle
    E. carbon cycle

 

Bloom’s Level: 1. Remember
Topic: Weathering

  1. Water can combine with iron oxide to form ______.
    A.silica
    B. limonite
    C. calcium, sodium, or potassium ions
    D. galena
    E. hydrogen ions

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. The most important natural source for the formation of acid for rock weathering at the Earth’s surface is dissolved _______.
    A.carbon dioxide
    B. hydrothermal effluent
    C. seawater
    D. mantle plumes
    E. comets

 

Bloom’s Level: 2. Understand
Topic: Weathering

 

  1. Sulfuric acid is produced naturally during __.
    A.emission of soil gas
    B. carbonate mineral decomposition
    C. normal life functions of plants and animals
    D. some volcanic eruptions
    E. the weathering process

 

Bloom’s Level: 1. Remember
Topic: Weathering

  1. _______ are commonly left after complete chemical weathering.
    A.Olivine and calcium plagioclase
    B. Orthoclase feldspars
    C. Halite and gypsum
    D. Calcite and dolomite
    E. Quartz and clay minerals

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. What, in terms of Earth systems, forms an essential interface between the geosphere, biosphere, hydrosphere, and atmosphere?
    A.chert
    B. quartz
    C. soil
    D. oxides of iron and aluminum
    E. ferromagnesian minerals

 

Bloom’s Level: 1. Remember
Topic: Soil

 

  1. When fossil fuels are burned _____, enter the atmosphere to form acid rain.
    A.oxides of nitrogen (NO2) and sulfur (SO2)
    B. hydrochloric acids
    C. oxalic acids
    D. hydrogen and bicarbonate ions
    E. helium and argon

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. When feldspar is attacked by carbonic acid it forms _____.
    A.water, clay, and potassium
    B. a clay mineral
    C. clays and halite
    D. potassium, calcium, and bicarbonate ions
    E. potassium feldspar, which does not undergo chemical weathering

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. _____ is the mineral least susceptible to chemical attack on the Earth’s surface.
    A.Olivine
    B. Calcite
    C. Halite
    D. Quartz
    E. Feldspar

 

Bloom’s Level: 2. Understand
Topic: Weathering

 

  1. Compared with quartz, minerals that include the positively charged ions of aluminum, iron, magnesium, and calcium are ___ vulnerable to chemical weathering by acidic solutions.
    A.just as
    B. less
    C. more
    D. not

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. Olivine weathers rapidly because its isolated silicon-oxygen tetrahedra are held together by _________ ionic bonds to iron and magnesium.
    A.strong
    B. long
    C. weak
    D. acid resistant
    E. short

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. At the surface of the Earth, ultramafic rocks in kimberlite pipes weather away leaving behind concentrations of _____.
    A.diamonds
    B. pearls
    C. emeralds
    D. olivine
    E. topaz

 

Bloom’s Level: 2. Understand
Topic: Weathering
Topic: Erosion

 

  1. ______ is weathered unconsolidated material on top of solid bedrock.
    A.Clay
    B. Sand
    C. Mud
    D. Dirt
    E. Regolith

 

Bloom’s Level: 1. Remember
Topic: Soil

  1. The solution of calcite in a limestone supplies substantial amounts of ______ to ground water.
    A.calcium ions in solution
    B. an acid
    C. bicarbonate ions in solution
    D. All of the choices are correct.
    E. Both calcium ions in solution and bicarbonate ions in solution.

 

Bloom’s Level: 2. Understand
Topic: Weathering

  1. ___ are the most common materials precipitated as cement, which binds loose particles of sand into a solid sedimentary rock.
    A.Calcite and fluorite
    B. Silica and hematite
    C. Clay and silica
    D. Calcite and silica
    E. Feldspar and calcite

 

Bloom’s Level: 2. Understand
Topic: Weathering

 

  1. The _______ horizon is the uppermost layer of a soil; it consists of organic material.
    A.A
    B. B
    C. C
    D. E
    E. O

 

Bloom’s Level: 1. Remember
Topic: Soil

  1. The _______ horizon is the dark-colored soil horizon that is rich in organic material and forms just below the surface vegetation.
    A.A
    B. B
    C. C
    D. E
    E. O

 

Bloom’s Level: 1. Remember
Topic: Soil

  1. The _____ horizon is the incompletely weathered parent material lying below the B-horizon.
    A.A
    B. B
    C. C
    D. E
    E. O

 

Bloom’s Level: 1. Remember
Topic: Soil

 

  1. As soils mature, distinct layers called ______ appear.
    A.strata
    B. units
    C. beds
    D. layers
    E. horizons

 

Bloom’s Level: 1. Remember
Topic: Soil

  1. Under wet and humid tropical conditions the least soluble material is the aluminum oxide called _____.
    A.limonite
    B. chert
    C. bauxite
    D. peat
    E. humus

 

Bloom’s Level: 2. Understand
Topic: Soil

  1. The process of chemical weathering is also called ____.
    A.chemical decomposition
    B. rock decomposition
    C. dissolution
    D. decomposition
    E. weathering decomposition

 

Bloom’s Level: 1. Remember
Topic: Weathering
Topic: Soil

 

  1. A ___ soil is one that develops from the bedrock directly beneath it.
    A.residual
    B. residential
    C. regolith
    D. retransported
    E. retrograde

 

Bloom’s Level: 1. Remember
Topic: Soil

  1. ______ is wind transported and deposited sediment.
    A.Laterite
    B. Lahar
    C. Loam
    D. Loess
    E. Gelisol

 

Bloom’s Level: 1. Remember
Topic: Erosion
Topic: Soil

  1. Which of the following landforms are created from unloading?
    A.volcanoes
    B. pressure release domes
    C. sink holes
    D. exfoliation domes
    E. regolith

 

Bloom’s Level: 3. Apply
Topic: Weathering
Topic: Soil

 

  1. A soil formed entirely through the weathering of basalt would not contain sand-sized grains of __.
    A.clay
    B. feldspar
    C. olivine
    D. pyroxene
    E. quartz

 

Bloom’s Level: 3. Apply
Topic: Weathering
Topic: Soil

  1. Plants and burrowing organisms contribute to soil development by __.
    A.establishing small holes and pathways for water and nutrients to flow
    B. contributing carbon dioxide and organic acids
    C. contributing their waste products, which act as nutrients
    D. breaking up solid particles and churning the soil profile
    E. All of the answers are correct.

 

Bloom’s Level: 3. Apply
Topic: Weathering
Topic: Soil

  1. Of the many processes that cause rocks to disintegrate, the most effective are ____.
    A.animal burrowing and frost wedging
    B. pressure release and frost action
    C. weathering and erosion
    D. transportation and deposition
    E. all listed are effective

 

Bloom’s Level: 3. Apply
Topic: Weathering

 

  1. In arid climates, soils are thin and soil water tends to move ______
    A.laterally
    B. downward
    C. upward
    D. only within a given soil horizon
    E. sluggishly, if at all

 

Bloom’s Level: 2. Understand
Topic: Soil

  1. In tropical regions where temperatures are high and rainfall abundant, highly leached soils called _______ (oxisols) form.
    A.laterite soil
    B. lateral soil
    C. transported soil
    D. paleosol
    E. pelagic soil

 

Bloom’s Level: 1. Remember
Topic: Soil

 

 

 

Chapter 16

Earthquakes

 

True / False Questions

  1. As a dense oceanic plate begins to bend down into a trench, it stresses slightly at the top of the bend and normal faults occur.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. P-waves are compressional waves in which the rock vibrates back and forth parallel to the direction of wave propagation.
    TRUE

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. Earthquakes occur more or less uniformly throughout the Earth in the recent past.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. The elastic rebound theory involves the sudden release of progressively stored energy in rocks.
    TRUE

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

 

  1. Most earthquakes occur at great depths.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. Surface seismic waves originate at the epicenter of an earthquake.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. Small earthquakes following the main surface wave arrival are called foreshocks.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. The point on the earth’s surface immediately above the focus is the seismic center.
    FALSE

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. The time interval between the first arrival of a P-wave and the first arrival of an S-wave increases with distance from the focus of an earthquake.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

 

  1. Body waves are seismic waves that travel through the Earth’s interior.
    TRUE

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. By studying seismograms of an earthquake on a distant fault, geologists can tell which way rocks moved along that fault.
    TRUE

 

Bloom’s Level: 3. Apply
Topic: Earthquakes

  1. A seismogram is a recording device that produces a permanent record of earth motion.
    FALSE

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. Surface waves are the fastest earthquake waves.
    FALSE

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. The Modified Mercalli Scale determines earthquake intensity, a measure of an earthquake’s effect on people and buildings.
    TRUE

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

 

  1. S-waves pass through solid rocks and liquids.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. An earthquake of Richter magnitude 5 releases 32 times more energy than an earthquake of magnitude 4.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. During an earthquake, buildings built on hard rock are damaged more than buildings built on soft sediment.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. Earthquakes occur most commonly in the plate boundaries.
    TRUE

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. Paleoseismology studies the past record of earthquakes.
    TRUE

 

Bloom’s Level: 1. Remember

 

  1. The most important concentration of earthquakes in the world is the Mediterranean-Himalayan Belt.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

 

Multiple Choice Questions

  1. A(n) _____ is a trembling or shaking of the ground caused by the sudden release of energy stored in rocks beneath the Earth’s surface.
    A.tsunami
    B. volcano
    C. rupture
    D. rumble
    E. earthquake

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. Rupture begins at the _____ and then spreads rapidly along the fault plane.
    A.epicenter
    B. point of contact
    C. plate boundary
    D. focus
    E. shear plane

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

 

  1. Both P-waves and S-waves can pass through ____.
    A.brittle zones
    B. solid rock
    C. solid rock and liquids
    D. liquids
    E. elastic zones

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. The __, the distance between the epicenter and focus, for earthquakes is about 670 km.
    A.p-wave
    B. first arrivals
    C. travel-time curve
    D. depth of focus
    E. Love wave

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. ____ are the waves of energy produced by an earthquake.
    A.Seismic
    B. Light
    C. Tsunami
    D. Ocean
    E. Electrical

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

 

  1. The paper record of an earthquake is a ____.
    A.hypocenter
    B. Mercalli Intensity scale
    C. travel-time curve
    D. seismogram
    E. moment magnitude

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. _____ maps are useful for assessing how different areas respond to seismic waves and provide valuable information for earthquake planning.
    A.Focus
    B. Intensity
    C. Epicenter
    D. Magnitude
    E. Intermediate

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. ____ focus earthquakes are the most common.
    A.Deep
    B. Hypocenter
    C. Intermediate
    D. Shallow
    E. All depths are equally represented.

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

 

  1. A ____ plots seismic-wave arrival time against distance.
    A.travel-time curve
    B. seismogram
    C. seismometer
    D. Mercalli Intensity scale
    E. Richter scale

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. _____ waves tend to be incredibly destructive to buildings because they produce much ground movement and take a long time to pass.
    A.Body
    B. Love
    C. Rayleigh
    D. S
    E. P

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. The point within the earth where seismic waves first originate is the _____.
    A.scarp
    B. epicenter
    C. focus
    D. trace
    E. origin

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

 

  1. The ______ is the most famous example of a right lateral transform fault.
    A.New Madrid Seismic Zone of Arkansas
    B. San Andreas Fault in California
    C. East African Rift
    D. Choctaw Fault of Oklahoma
    E. Dead Sea Rift

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. Perhaps 90 percent of the destruction in the 1906 San Francisco earthquake was caused by ____.
    A.fires
    B. building collapse
    C. landslides
    D. soil displacement
    E. tsunamis

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. The greatest loss of life in the 1964 southern Alaska earthquake was from _________.
    A.landslides
    B. tsunamis
    C. fires
    D. building collapse
    E. soil displacement

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

 

  1. In the elastic rebound theory, earthquakes are caused by the sudden release of progressively stored _____ in rocks.
    A.seismic waves
    B. strain
    C. stress
    D. tectonism
    E. ductile behavior

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. A _____ is the first wave to arrive at a recording station following an earthquake.
    A.Love wave
    B. Rayleigh wave
    C. S-wave
    D. P-wave
    E. surface wave

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. ____ are seismic waves that travel through the Earth’s interior, spreading out from the focus in all directions.
    A.X-waves
    B. R-waves
    C. Surface waves
    D. Refracted waves
    E. Body waves

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

 

  1. ____ are earthquake waves that cause the most property damage.
    A.Surface waves
    B. P-waves
    C. X-waves
    D. S-waves
    E. Body waves

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. ____ -waves are the slowest body waves.
    A.M
    B. S
    C. R
    D. P
    E. X

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. The time interval between the first arrival of P-waves and the first arrival of S-waves ____ with distance from the focus of an earthquake.
    A.does not change
    B. cannot be measured
    C. increases
    D. varies irregularly
    E. decreases

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

 

  1. Tsunami waves may move faster than ____.
    A.a speeding bullet
    B. P-waves
    C. S-waves
    D. 800 km/hr
    E. 2000 mph

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. On the modified mercalli intensity scale the maximum value is _______.
    A.XVI
    B. XV
    C. XIV
    D. XIII
    E. XII

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. A series of earthquakes that occurred near _____ in 1811-1812 were the most widely felt earthquakes to occur in recorded history.
    A.New Madrid, Missouri
    B. Plymouth, Massachusetts
    C. Charleston, South Carolina
    D. San Francisco, California
    E. Attica, New York

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

 

  1. Although large earthquakes are rare in the central and eastern United States, when they do occur they tend to be very destructive because _______.
    A.they occur infrequently
    B. the crust there is cool and brittle
    C. more people live in that region
    D. the faults in that region are older and larger
    E. the crust in that region is thicker

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. The effects of ground motion caused by an earthquake do not include _____.
    A.permanent land surface displacement
    B. fire
    C. volcanism
    D. landslides
    E. soil liquefaction

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. A(n) _______ is a seismic sea wave.
    A.body wave
    B. S-wave
    C. R-wave
    D. tsunami
    E. tidal wave

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

 

  1. First motion studies of mid-ocean ridges show that the faults there are ____, and parallel to the rift valley.
    A.subduction
    B. strike-slip motion
    C. compression
    D. deep focus earthquakes
    E. normal

 

Bloom’s Level: 3. Apply
Topic: Earthquakes

  1. One suggested cause of deep focus earthquakes is ______.
    A.collapse of minerals into denser forms
    B. collapse of pore space in sedimentary rocks
    C. collision of convection currents
    D. friction between the core and the mantle
    E. the rise of core material into the mantle

 

Bloom’s Level: 3. Apply
Topic: Earthquakes

  1. ______ would be associated with Benioff zones.
    A.Andesite volcanoes
    B. Oceanic trenches
    C. Edges of continents
    D. Island arcs
    E. All the answers are correct.

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

 

  1. Deep focus earthquakes occur at a maximum depth of ______.
    A.100 km
    B. 550 km
    C. 670 km
    D. the Earth’s center
    E. the core mantle boundary

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. If the measured amplitude of vibration of a rock is 1 cm for a magnitude 4 earthquake then the rocks will move ______ during a magnitude 5 earthquake.
    A.2 cm
    B. 4 cm
    C. 8 cm
    D. 10 cm
    E. 20 cm

 

Bloom’s Level: 3. Apply
Topic: Earthquakes

  1. The most important concentration of earthquakes by far is ______.
    A.the Mediterranean-Himalayan belt
    B. the San Andreas fault
    C. the Arctic zone
    D. the Atlantic basin
    E. the Circumpacific belt

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

 

  1. Richter scale values above 7 are not accurate. The ______ scale is a more objective method of measuring the energy of a large earthquake.
    A.seismic trace
    B. moment magnitude
    C. P-wave amplitude
    D. Modified Mercalli
    E. gravity meter

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. For most of the 20th century earthquake magnitude was reported on the _______ scale, a scale that has never exceeded a magnitude 8.6.
    A.moment magnitude
    B. surface-wave
    C. Richter
    D. Gutenberg
    E. Modified Mercalli

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. _____ earthquakes probably occur along older faults that are no longer at plate boundaries, for example the New Madrid Missouri earthquakes of 1811-1812.
    A.Interplate
    B. Normal
    C. Intraplate
    D. Transform
    E. Subduction

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

 

  1. Deep rocks behave as _____ material under stress rather than breaking.
    A.liquid
    B. brittle
    C. ductile
    D. isotropic
    E. vacuum

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. Which of the following is not used to aid in earthquake prediction?
    A.tsunamis
    B. foreshocks
    C. increase of radon emissions from water wells
    D. patterns of earthquakes
    E. seismic gaps

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

  1. _____ is a measure of an earthquake’s effect on people and buildings.
    A.Intensity
    B. Magnitude
    C. Amplitude
    D. Duration
    E. Longevity

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

 

  1. _____ can occur when water-saturated soil turns from a solid to a liquid as a result of an earthquake.
    A.Creep
    B. Liquefaction
    C. Solifluction
    D. Soil collapse
    E. Gelatinization

 

Bloom’s Level: 1. Remember
Topic: Earthquakes

  1. ___ stations are the minimum needed to determine the location of an earthquake epicenter.
    A.Five
    B. Two
    C. Three
    D. Four
    E. Six

 

Bloom’s Level: 2. Understand
Topic: Earthquakes

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