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Exam 1
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Questions in this quiz (35)
1THE SYMMETRICAL PATTERN OF MAGNETIC POLARITIES ABOUT SPREADING RIDGES IN OCEANIC CRUST
INDICATES THAT- Aeach plate has had an independent set of magnetic reversals.
- Bbasalt retains its magnetic signature for only a few million years.
- Cnew ocean crust is created by volcanism at oceanic ridges and old crust moves laterally away from the
ridge. - Dthe oceanic crust is geologically young
2DEEP OCEAN TRENCHES ARE EVIDENCE FOR ******.
- Asinking of oceanic lithosphere into the mantle at a subduction zone
- Brifting beneath a continental plate and the beginning of continental drift
- Crising of hot asthenosphere from deep in the mantle
- Dtransform faulting between an oceanic plate and a continental plate
3WHICH OF THE FOLLOWING IS NOT A LINE OF EVIDENCE FOR THE CONTINENTAL DRIFT HYPOTHESIS?
- AMany continents seem to fit together like a jigsaw puzzle
- BFossil species of land-dwelling plants and animals are found on separate continents
- CGlacial deposits are found on continents that are now near the equator
- Dseafloor is oldest near mid-ocean ridges and youngest at oceanic trenches
4AT AN OCEANIC RIDGE SPREADING CENTER
- Athe plates are moving past each other
- Bthe plates are moving away from each other.
- C the plates are moving toward each other.
- Done plate is being subducted beneath another.
- Eboth plates are being subducted.
5WHICH OF THESE IS NOT ASSOCIATED WITH A MID-OCEANIC RIDGE?
- Aold ocean crust
- Bshallow-depth earthquakes
- Cvolcanic eruptions
- Dtransform faults
- Ehot water
6 LARGE, HIGH MOUNTAIN RANGES WITHOUT VOLCANOES ARE BUILT AT WHICH TYPE OF PLATE
BOUNDARY?
a. divergent: oceanic-oceanic b. convergent: oceanic-continental
c. convergent: continental-continental d. transform: continental-continental- A divergent: oceanic-oceanic
- Bconvergent: oceanic-continental
- Cconvergent: continental-continental
- Dtransform: continental-continental
7THERE ARE NO MOUNTAINS IN SALEM BECAUSE
- A the rocks are too old
- Bthe land is too developed
- Csea level is still rising
- DThe East Coast is on a passive margin
8The Earth’s magnetic field originates by ***********
- Aweak electrical currents associated with hot, rising, mantle plumes
- Bmagnetic mineral grains in the inner core
- Cweak electrical currents associated with fluid motions in the outer core
- Dmagnetization of oxygen and nitrogen atoms in the atmospheric ozone layer by solar radiation
9THE MECHANISM FOR PLATE MOVEMENT IS
- Aconduction of heat from the core.
- Bfriction created by tidal forces generated by the Moon.
- Cconduction of heat within the mantle.
- Dconvection of heat within the mantle.
- Econvection of heat within the core.
10THE APPROXIMATE DEEPEST LEVEL OF EARTHQUAKES:
- A10 km
- B100 km
- C300 km
- D700 km
11SEISMOLOGISTS BELIEVE THE EARTH'S CORE IS LIQUID BECAUSE:
- Acertain types of seismic waves to not pass through liquids
- Bthe Earth wobbles on its axis
- Cit's the most logical conclusion
- Dmolten rock sometimes erupts on the surface
12It takes at least ***** seismographs at different locations to locate earthquakes accurately.
- Asix
- Bthree
- Ctwo
- Dfour
13According to the following seismographs, which seismic station is furthest from the epicenter of the
earthquake?- A
- B
- C
- DNot enough information is given
- A
14AT DEEP-SEA TRENCHES, *************** IS SUBDUCTED BACK INTO THE ***********************
- ALITHOSPHERE, OUTER CORE
- BLITHOSPHERE, ASTHENOSPHERE
- CLITHOSPHERE, OCEANIC CRUST
- DLITHOSPHERE, RIFT
15THE ******** IS A HOT, WEAK ZONE THAT IS CAPABLE OF GRADUAL FLOW LOCATED WITHIN EARTH
BETWEEN 100 AND 350 KILOMETERS DEEP.- Alithosphere
- Bcrust
- Casthenosphere
- Dmantle
16EARTH'S ********** INCLUDES THE CRUST AND PART OF THE UPPER MANTLE.
- Amantle
- Blithosphere
- Casthenosphere
- Dcore
17THE POSITION ON EARTH'S SURFACE DIRECTLY ABOVE THE EARTHQUAKE SOURCE IS CALLED THE****.
- Aeismic site
- Bepicenter
- Cinertial point
- Dfocus
18WHO'S MOST LIKELY TO FEEL AN EARTHQUAKE?
- Asomeone driving a car
- Bsomeone crossing a bridge
- C someone on the top floor of a skyscraper
- Dsomeone sitting on the ground
19WHY DO EARTHQUAKES CAUSE SUCH LARGE DEATH TOLLS IN THIRD WORLD COUNTRIES?
- Aweak but heavy construction materials
- Bmore tsunamis
- Cpoor hospitals
- Dstronger earthquakes
20SEISMIC WAVES ARRIVE IN THE FOLLOWING ORDER:
- Asurface, S,P
- BP, surface, S
- CS, surface, P
- DS,P, surface
- EP,S, surface
21THESE DEEP AREAS OF THE OCEAN CALLED ***ARE PLACES WHERE O –C CONVERGENCE IS OCCURRING.
- Atrenches
- Brises
- Cridges
- Dtransform faults
- Erifts
22WHICH OF THE FOLLOWING STATEMENTS APPLY TO THE ASTHENOSPHERE, BUT NOT THE
LITHOSPHERE?- Adeforms mainly by brittle fracturing and faulting
- Bcool, rigid layer of crust and upper mantle that forms the tectonic plates
- Czone in the upper mantle that deforms by plastic flowage
- Dpartial melting of rising granitic plumes produces huge volumes of basaltic magma
23WHICH WAS NOT A HEAT SOURCE ASSOCIATED WITH DIFFERENTIATION OF THE EARTH'S INTERIOR
INTO LAYERS?- AHeat released as nuclei of radioactive substances split apart.
- BHeat produced in the core of the Earth
- C\Heat produced by impacts with planetesimals.
- DNone of the above
24THE INSIDE OF THE EARTH IS NOT COMPLETELY MOLTEN (I.E. LIQUID) BECAUSE:
- Ait never gets hot enough to melt rocks deep in the earth
- Bthe melting temperature of rocks increases as pressure increases
- Cthe earth would collapse in on itself if it had a liquid interior
- Dnone of the above because the inside of the earth is completely molten
25THE IDEA THAT THE EARTH STARTED AS A LAYERED PLANET BECAUSE OF METEOR IMPACT IS CALLED:
- Ainhomogeneous accretion hypothesis
- Bconcretionary hypothesis
- Chomogeneous core formation
- Diron catastrophe
26THE TASKS OF GEOLOGY INCLUDE ALL OF THE FOLLOWING EXCEPT
- AMaintaining quality of water supplies.
- BPredicting the severity of hurricanes
- CFinding and developing natural resources in ways that safeguard the environment.
- DPredicting the behavior of Earth systems and the universe
- AMaintaining quality of water supplies.
27THE ARRIVAL TIME OF THE P AND S WAVES RECORDED AT ONE SEISMIC STATION CAN DETERMINE:
- Athe location of the earthquake
- Bthe damage at the focus
- Cthe distance to the earthquake
- Dthe intensity of the earthquake
- Enone of these
28THE PORTION OF THE EARTH THAT IS BROKEN INTO TECTONIC PLATES IS THE:
- Acrust
- Blithosphere and asthenosphere
- Clithosphere
- Dcrust and mantle
29MOST MODERN GEOLOGIC STUDY IS BASED ON THE PRECEPT OF THE PRINCIPLE OF
UNIFORMITARIANISM, WHICH STATES:- Athe present is the key to the past
- Bthe past is the key to the future
- Cthe past repeats itself
- Dthe past’s future is the same as the future’s past
- Enothing ever changes in geology
30IN THE MODERN AGE, COMPASS NEEDLES POINT TOWARDS MAGNETIC NORTH. HOWEVER, ABOUT
700,000 YEARS AGO, COMPASS NEEDLES WOULD HAVE POINTED SOUTH BECAUSE IT WAS DURING A PERIOD
OF:- Anormal polarity
- Bpositive polarity
- Cinverse polarity
- Dreverse polarity
31IF YOU WERE TO COLLECT SAMPLES OF BASALT AT THE FOLLOWING LOCATIONS ON THE SEA FLOOR OF
THE NORTH ATLANTIC OCEAN, WHICH SAMPLE WOULD BE THE OLDEST?- Aalong the spreading ridge
- Bwhere the spreading ridge is exposed above water in Iceland
- Cjust east of the spreading ridge
- Djust west of the spreading ridge
- Ealong the coast of Africa
32THE CASCADES MOUNTAIN RANGE IN THE WESTERN U.S.A. IS FOUND IN THE FOLLOWING TYPE OF
PLATE TECTONIC SETTING:- Adivergent
- Bconvergent (ocean-ocean type)
- Cconvergent (ocean-continent type)
- Dconvergent (continent-continent type)
- Etransform
33A RIFT VALLEY CAN BE FOUND IN THE FOLLOWING TYPE OF PLATE TECTONIC SETTING:
- Adivergent
- Bconvergent (O-O))
- Cconvergent (O-C)
- Dconvergent (C-C)
- Etransform
34A RIFT VALLEY CAN BE FOUND IN THE FOLLOWING TYPE OF PLATE TECTONIC SETTING:
- Adivergent
- Bconvergent (O-O))
- Cconvergent (O-C)
- Dconvergent (C-C)
- Etransform
35THE SAN ANDREAS FAULT IS FOUND IN THE FOLLOWING TYPE OF PLATE TECTONIC SETTING:
- Adivergent
- Bconvergent (O-O))
- Cconvergent (O-C)
- D convergent (C-C)
- Etransform
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- Quiz on Exam 1, created by s0270761 on 04/05/2014.
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- s0270761
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