Test
Exam 5
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Preguntas del test (50)
1Which relative dating principle states that in an undeformed sequence of sedimentary rocks, each layer is older than the one above and younger than the one below?
- ASuperposition
- BCross-cutting
- CInclusion
- DOriginal horizontality
2In a thick bed of sedimentary rocks we find an igneous dike. The order of formation is
- Atogether
- Bunknown
- Cigneous before sedimentary
- Dsedimentary before igneous
3The radioactive isotope that decays is known as the
- Amain
- Bdaughter
- Cparent
4Deposition of sediment with each new layer younger than the layer below illustrates the principle of
- Aoriginal horizontally
- Bhorizontally and non conformity
- Csuperposition
- Dnonconformity
5To date relatively young rocks and materials, we use the decay of
- Acarbon-14 to nitrogen-14
- Buranium-235 to lead-207
- Curanium-238 to lead-206.
- Dpotassium-40 to argon-40
6The Cenozoic era represents a period of
- Aworldwide tropical climates.
- Brelative tectonic stability.
- Cgreat diversification of fish species.
- Dalmost continuous tectonic activity
7A surface of erosion between rocks that represents a gap in Earth history is
- Aan unconformity
- Bcalled a dike
- Ca faunal conformity.
- Dnone of the above
8Rocks from the Carboniferous period are significant because they
- Acontain diamonds
- Bare a source of cement.
- Chave large deposits of coal and oil
- Dprovide gold and silver deposits.
9The first time period for which abundant fossils have been found is the
- APliocene
- BSilurian
- CCambrian
- DPrecambrian
10Going from oldest to youngest, the three periods of the Mesozoic are
- ATriassic, Jurassic, and Cretaceous.
- BCretaceous, Permian, and Jurassic
- CTriassic, Jurassic ,and Permian.
- DJurassic, Triassic, and Cretaceous
11The rather simple idea that, unless disturbed, younger sedimentary layers overlie older layers, is referred to as the principle of
- Auniformitarianism.
- Boriginal horizontality
- Csuperposition
- Dfaunal succession.
12The principle of original horizontality states that each
- Anew layer of sediment is laid down accordingly.
- Bsedimentary layer is older than the layer above.
- Cnew layer of sediment is laid down nearly horizontally over older sediment.
- Dsedimentary layer is younger than the layer above.
13With this type of dating, the actual number of years since an event can be determined.
- ARelative
- BRadiometric
- CSeries
14The idea of uniformitarianism suggests that
- Athe processes and natural laws that operate today have been valid throughout geologic time.
- Bthe natural laws that operate today are different than those that have operated in the pas
- Call rocks layers are originally uniform.
- Dsediments are laid down layer upon layer with younger layers always on the top
15This eon represents the Earth's longest time span
- APhanerozoic eon
- BProterozoic eon
- CArchean
- DHadean
16In a sedimentary rock that contains inclusions of metamorphic rock, the inclusions must be
- Aolder than the sedimentary rock
- Bon top of the sedimentary rock
- Cbelow the sedimentary rock
- Dyounger than the sedimentary rock
17In a sequence of rock layers we find trilobite and dinosaur fossils. The dinosaur fossils are at the bottom of the rock sequence and the trilobites are at the top. This sequence tells us that
- Athe beds are folded
- Btrilobites survived the age of the dinosaurs.
- Cdinosaurs are older than trilobites.
- Dthe beds are overturned
18A sea stack will develop before a sea cave.
- Atrue
- Bfalse
19Wind is generated in response to
- Atemperature and pressure differences, and the unequal heating of Earth's surface
- Bthe unequal heating of Earth's surface only
- Ctemperature differences only.
- Dpressure differences only
20A fingerlike ridge of sediment that extends out into open water is known as a(an)
- Abarrier island
- Bbeach
- Cspit
21In general, cold days are associated with
- Alow surface pressure.
- Ba pressure-gradient force
- Csnow
- Dhigh surface pressure
22Temperature decreases with altitude in the
- Athermosphere
- Btroposphere
- Cstratosphere
- Dall of these
23The angle of the Sun's rays striking Earth's surface greatly affects the
- Adistribution of solar energy –from the poles to the equator, hours of daylight, and the seasons.
- BEarth's seasons.
- Cequatorial and polar regions.
- Dintensity of solar energy received at Earth's surface
24The Ekman transport spiral is driven
- Asolely by the Coriolis force
- Bby the wind
- Cby gravity
- Dby density differences in the water column
25The distance between two successive crests or troughs is known as the
- Awave period
- Bwavelength
- Cwave height
26The temperature of the mesosphere decreases from 0°C at the bottom to —90°C at the top. This change in temperature is a result of
- Alow absorption of solar radiation–air molecules emit more energy than they absorb.
- Blow air density
- Ca decrease in air pressure.
- Dall of these
27Isolated submarine mountains, that were once volcanoes that no longer erup are known as
- Astack
- BGuyots
- CSeamounts
28Gyres cause heat to be transported from higher latitudes to equatorial regions.
- Afalse
- Btrue
29The most common depositional shoreline feature is a
- Aseamount.
- Bwave-cut platform
- Cbarrier island
- Dbeach
30In the Northern Hemisphere, the Coriolis force causes all free-moving objects in the air to curve
- Ato the left of their intended path.
- Bclockwise to their intended path
- Ccounterclockwise to their intended path
- Dto the right of their intended path.
31The movement of water in a wave travels
- Ain both a longitudinal and circular path.
- Bin a circular path at and just below the water surface
- Cwith the wave
- Din a circular path at a depth of one-half the wavelength.
32The oblique approach of waves to the shoreline is known as
- Abreaking waves
- Brefracted waves
- Cshallow water current
- Dlong shore current
33When a wave moves, the water
- Amoves with the wave to a depth of one-half the wavelength, while deeper water follows a circular orbit.
- Bmoves along with the wave
- Cfollows a straight up and down path
- Dfollows a roughly circular path
34Equatorial regions see the least intensity of sun.
- Atrue
- Bfalse
35Clouds that begin to develop 6000 meters above the ground are generally
- Acumulus and stratus type clouds
- Bcumulonimbus and altocumulus type clouds
- Cstratus and stratocumulus type clouds
- Dcirrus and cirrostratus type clouds.
36An occluded front can occur when
- Aa cold air mass overtakes a warm air mass.
- Btwo different air masses are unable to overtake one another
- Ca warm front and a cold front merge.
- Dwarm air moves into a cold air mass
37Warm air rises and cool air sinks. So when an air parcel rises it becomes
- Aless stable
- Bcooler
- Cwarmer
- Dmore stable
38We feel uncomfortably warm on a muggy day because water molecules are
- Acondensing on our bodies
- Bevaporating from moist bodies
- Cpreventing the evaporation from our moist bodies
- Djostling about.
39Clouds inhibit the outflow of terrestrial radiation. This acts to
- Ainsulate Earth's surface temperature, keeping it warmer at night and cooler in the day.
- Bwarm Earth's surface temperature at night
- Cinsulate Earth's surface temperature
- Dcool Earth's surface temperature during the day
40The temperature to which air must be cooled for saturation to occur is called
- Arelative humidity
- Bits condensation point
- Cits dew point.
- Dprecipitation
41A rain shadow is associated with
- Adescending dry air
- Bthe leeward slope of a mountain.
- Cdescending dry air on the leeward slope of a mountain.
- Dorographic lifting
42What generally causes clouds to form?
- AAddition of water vapor.
- BSinking of saturated air
- CFalling relative humidity
- DLifting of air
43As air temperature decreases, relative humidity
- Adecreases
- Bincreases
- Cstays the same
- Ddrops
44Orographic lifting occurs as
- Aan air mass is pushed over a mountain range
- Ban air mass moves into a rain shadow
- Ctwo air masses meet head on
- Dair moves over a warm ground surface
45Convectional lifting is caused by
- Ahumid air rising through the atmosphere.
- Bcontact of an air mass with warm ground surfaces
- Ccirculatory movement deep in Earth's interior
- Dthe movement of cumulus clouds
46In orographic lifting, precipitation is associated with the
- Athe leeward slope.
- Brain shadow
- Cwindward slope
- DChinook
47When a cold air mass moves into a region occupied by a warm air mass, the contact zone is called
- Aa cold front
- Ba stationary front
- Ca warm front
- Dan occluded front
48High clouds have the prefix:
- AStrato-
- BCirro-
- CAlto-
- DNimbo-
49The amount of water vapor the air can hold depends on air temperature. At higher temperatures the air
- Aholds water vapor at its dew point
- Bcan hold more water vapor
- Cholds less water vapor
- Dis saturated
50As an air parcel expands and cools, or compresses and warms, with no interchange of heat with its surroundings, the situation is called
- Alapse rate
- Btemperature equilibrium
- Cstable equilibrium
- Dan adiabatic process
Información
- Descripción
- Test sobre Exam 5, creado por Emelina Solorzano el 30/11/2016.
- Autor
- Emelina Solorzano
- Idioma
- English
- Visitas
- 4
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