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Earth Science (Reviewer, 2nd Quarter Flashcards | StudBud
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Earth Science (Reviewer, 2nd Quarter
Earth Science (Reviewer, 2nd Quarter
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1
It is the boundary between the crust and the mantle.
Asthenospheric Discontinuity
Mohorovicic Discontinuity
Oceanic Boundaries
Lithosphere
2
Which is the slowest type of mass wasting that requires several years of movement?
Creep
Debris Flow
Mud Flow
Earth Flow
3
TRUE OR FALSE: Quick clays expand when wet and shrinks when dries out.
TRUE
FALSE
4
Which inelastic deformity is enhanced when a material experiences low temperature and pressure?
Brittleness
Maleability
Ductility
5
It is the downslope movement of rocks, regolith and soil under the influence of gravity
Discharge
Mass Wasting
Endogenic Process
Erosion
6
Among the layers, which of them is the oldest via relative dating?
E
A
D
B
7
By how many meters below will you observe the best fit of the continents?
1000 m
500 m
1700 m
2000 m
8
These are deep depressions that encircles the globe, as an evidence of continental drift.
Branches
Hills
Plateau
Trenches
9
In the Paleozoic era, which colonized first?
Flowering Plants
Reptiles
Plants
Animals
10
It is the breakdown of rocks on-site at the Earth's surface caused by one or more agents
Erosion
Transport
Grain Flow
Weathering
11
Which type of slurry flow is composed of mostly volcanic materials on the volcanoes.
Debris flow
Grain Flow
Mud flow
Soilfluction
12
What type of Chemical Weathering initiates the dissociation of molecules into ions?
Oxidation
Dissolution
Hydrolysis
Reduction
13
The component of gravity perpendicular to slope contribute to which shear force?
Shear Stress
Shear Strength
14
What do you call the steepest slope at which a pile of sediments remain stable?
Angle of Repose
Angle of Reduction
Angle of Replace
Angle of Reposition
15
Which type of chemical weathering initiates reaction between minerals and dissolved O2?
Oxidation
Hydrolysis
Dissolution
Reduction
16
This dating method is used for samples that are thought to almost exist the same time as Earth.
Uranium-Lead Dating
Relative Dating
Potassium-Argon Dating
Radiocarbon Dating
17
It is an elastic shock wave that travels outward in all directions from an earthquake source
X-Ray Wave
The answer is not included among the choices
Radiowave
Seismic Wave
18
It is the parallel alignment that results to alignment of silicate sheets due to stress.
Foliation
Sedimentation
Weathering
Metamorphism
19
It is the proposed single supercontinent and the origin point of the continents we know today
Panini
Panama
Pangaea
Porcini
20
Which type of heat transfer was caused by electromagnetic waves?
Convection
Conduction
Soilfluction
Radiation
21
It is a layer of the Earth that is made up of crust and upper mantle
Lithosphere
Atmosphere
Ionosphere
Asthenosphere
22
Which eon was dubbed the "Eon of Visible Life"?
Phanerozoic Eon
Archean Eon
Hadean Eon
Proterozoic Eon
23
Which process DOES NOT result to Magmatic Differentiation?
Assimilation of Magma by Crustal Rocks
Decompression Melting
Magma Mixing
Crystal Fractionation
24
Which of the following corresponds to the northern part of Pangaea?
Eurasia
Rondinia
Laurasia
Gondwana
25
When did Pangaea started to break apart?
50 Ma
65 Ma
200 Ma
245 Ma
26
COMPLETE THE STATEMENT: when the shear strength is reduced, _________
The material will undergo weathering
The material will start to move down
The material will start to move up
The material stays on the surface
27
Which type of mass wasting occurs on slopes in the ocean basins?
Sediment Mass Wasring
Slope Failures
Subaqueous Mass Wasting
Turbidity current
28
TRUE OR FALSE: Through Bowen's Reaction Series, we found out the first ones to crystallize are easy to break
TRUE
FALSE
29
What do you call the observation of temperatures in the different layers of Earth?
Geophysical temperature curve
Geothermal gradient
Thermonuclear gradient
Thermal linear analysis
30
When was the Continental Drift Theory first articulated?
1908
1912
1960
1957
31
It is the residual magnetism in ancient rocks from the Earth's magnetic field.
Diamagnetism
Attraction Magnetism
Paramagnetism
Paleomagnetism
32
TRUE OR FALSE: As the temperature of magma increases, the viscosity increases.
FALSE
TRUE
33
Which melting process was initiated with the addition of volatiles?
Flux Melting
Partial Melting
Decompression Melting
Heat Transfer Melting
34
What is the average depth needed to reach the Moho beneath the ocean basins?
100 km
57 km
10 km
8 km
35
Which phenomenon occurs when two different magma rise up and the more buoyant mass overtakes?
Contamination of Magma by Crustal Rocks
Crystal Fractionation
Magma Mixing
Partial Melting
36
This type of melting, which produces mantle plumes, occurs with decrease in pressure.
Flux Melting
Decompression Melting
Partial Melting
Heat Transfer Melting
37
COMPLETE THE STATEMENT: As the metamorphic grade of rock increases, its grain size:
It needs another agent of metamorphism
Stays the same
Decreases
Increases
38
What will form if there's a collision between an oceanic and continental crust?
Rift Valleys
Mountain Ranges
Trenches
Oceanic Ridge
39
COMPLETE THE STATEMENT: The initiation of the Philippine Fault was dated at _______.
0.2 Ma
5.2 Ma
4 Ma
2 Ma
40
Which type of unconformity gives no discernable erosional surface due to parallelism?
Paraconformity
Angular Unconformity
Nonconformity
Discontinuity
41
Which era was considered the "Age of Mammals"?
Cryptozoic Era
Paleozoic Era
Mesozoic Era
Cenozoic Era
42
TRUE OR FALSE: Plants and animals are considered as agents of weathering.
TRUE
FALSE
43
Which of the layers exhibit cross-cutting relationships?
A
F
D
G
44
Which is denser, Oceanic or Continental Crust?
Continental
Oceanic
45
Which geophysicist articulated the Continental Drift Theory?
Alfred Wegener
Nicholas Steno
William "Strata" Smith
Harry Hess