Beneath the Surface: A Large Low Shear Velocity Quiz
Ready for a journey to the center of the Earth with our "Beneath the Surface: A Large Low Shear Velocity Quiz"? This isn't just a quiz. It's an adventure into the depths of our planet, exploring the mysteries of Large Low Shear Velocity.
Are you a student burning the midnight oil? A geologist looking for a fun challenge? Or maybe you're just curious about the world beneath your feet? Whoever you are, this quiz is your ticket to a thrilling exploration of geophysics.
The Large Low Shear Velocity Quiz is more than just questions and answers. It's about understanding the heartbeat of Read moreour planet, the seismic waves coursing through its veins, and the incredible science that allows us to study it all.
So, are you ready to take the plunge? To challenge yourself and learn something new? Then dive in! The Large Low Shear Velocity Quiz is waiting for you. Remember, every question is a step deeper into the fascinating world beneath us. Let the adventure begin!
Large Low Shear Velocity Questions and Answers
- 1.
What is the primary driver of mantle convection?
- A.
Gravitational forces
- B.
Radioactive decay in the mantle
- C.
Phase changes in the mantle
- D.
Plate tectonics
Correct Answer
B. Radioactive decay in the mantleExplanation
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The primary driver of mantle convection is the heat produced in the interior of the earth. This heat comes from two main sources: “Primordial” heat, which is left over from the formation of Earth’s core, and heat produced by the decay of radioactive isotopes, mainly potassium, thorium, and uranium. So, the correct answer would be Radioactive decay in the mantle. This heat drives the mantle convection, which in turn is a driving force behind plate tectonics.Rate this question:
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- 2.
What are mantle plumes?
- A.
Areas of high-density mantle material
- B.
Vertical upwellings of hot material from deep within the mantle
- C.
Boundary zones between tectonic plates
- D.
Convergent plate boundaries
Correct Answer
B. Vertical upwellings of hot material from deep within the mantleExplanation
Mantle plumes are vertical upwellings of hot material that originate from the deep mantle and rise towards the Earth's surface. They are associated with hotspot volcanism and can lead to the formation of volcanic islands or large igneous provinces.Rate this question:
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- 3.
Which layer of the Earth's interior is characterized by low shear velocity?
- A.
Inner core
- B.
Outer core
- C.
Mantle
- D.
Crust
Correct Answer
C. MantleExplanation
The mantle is the layer of the Earth's interior located between the crust and the outer core. It is characterized by low shear velocity, which signifies its ability to deform plastically over geological timescales.Rate this question:
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- 4.
What is the driving force behind plate tectonics?
- A.
Mantle convection
- B.
Frictional forces between tectonic plates
- C.
Gravity
- D.
Inner core rotation
Correct Answer
A. Mantle convectionExplanation
Mantle convection is the primary driving force behind plate tectonics. The convective movement of material in the mantle generates forces that cause tectonic plates to move and interact with one another.Rate this question:
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- 5.
Which process is responsible for the creation of new oceanic crust?
- A.
Subduction
- B.
Rift volcanism
- C.
Collision between continental plates
- D.
Mantle plumes
Correct Answer
B. Rift volcanismExplanation
Rift volcanism is the process responsible for the creation of new oceanic crust. It occurs at divergent plate boundaries where magma wells up from the mantle, cools, and solidifies to form new crust.Rate this question:
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- 6.
What boundary type is associated with the formation of mountain ranges?
- A.
Divergent plate boundary
- B.
Convergent plate boundary
- C.
Transform plate boundary
- D.
Intraplate boundary
Correct Answer
B. Convergent plate boundaryExplanation
Convergent plate boundaries are associated with the formation of mountain ranges. When two tectonic plates collide, they can crumple, fold, and uplift the Earth's crust, leading to the formation of extensive mountain systems.Rate this question:
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- 7.
Which layer of the Earth's interior has the highest density?
- A.
Inner core
- B.
Outer core
- C.
Mantle
- D.
Crust
Correct Answer
A. Inner coreExplanation
The inner core has the highest density among the Earth's interior layers. It consists primarily of solid iron and nickel, and its high density is due to the immense pressure exerted by the overlying layers.Rate this question:
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- 8.
What term describes the motion of tectonic plates moving apart?
- A.
Seafloor spreading
- B.
Subduction
- C.
Accretion
- D.
Slab pull
Correct Answer
A. Seafloor spreadingExplanation
Seafloor spreading refers to the motion of tectonic plates moving apart at mid-ocean ridges. As plates separate, magma wells up from the mantle, creating new seafloor and pushing the existing seafloor away from the ridge axis.Rate this question:
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- 9.
What is the main driving force behind subduction?
- A.
Gravity
- B.
Slab pull
- C.
Frictional forces
- D.
Ridge push
Correct Answer
B. Slab pullExplanation
Slab pull is the main driving force behind subduction. It occurs at convergent plate boundaries when a denser oceanic plate sinks into the asthenosphere due to the pull generated by its own weight.Rate this question:
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- 10.
What layer of the Earth's interior primarily transfers heat by conduction?
- A.
Inner core
- B.
Outer core
- C.
Mantle
- D.
Crust
Correct Answer
A. Inner coreExplanation
The inner core primarily transfers heat by conduction. It is solid, and heat is conducted from the outer core to the inner core through the transfer of kinetic energy between atoms.Rate this question:
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- 11.
Which tectonic plate is the largest in terms of surface area?
- A.
Pacific Plate
- B.
North American Plate
- C.
Eurasian Plate
- D.
African Plate
Correct Answer
A. Pacific PlateExplanation
The Pacific Plate is the largest of the Earth's tectonic plates in terms of surface area. It is an oceanic plate that covers a vast region of the Pacific Ocean floor. Tectonic plates are large pieces of the Earth's lithosphere that move and interact with each other. The Pacific Plate is bordered by several other major plates, including the North American Plate, the South American Plate, the Eurasian Plate, and the Antarctic Plate. It covers over 103,000,000 km².Rate this question:
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- 12.
What is the asthenosphere?
- A.
A layer within the Earth's outer core
- B.
A rigid layer of the Earth's crust
- C.
A zone of weakened, partially molten rock in the upper mantle
- D.
The outermost layer of the Earth's atmosphere
Correct Answer
C. A zone of weakened, partially molten rock in the upper mantleExplanation
The asthenosphere is a zone of weakened, partially molten rock in the upper mantle. It exhibits plastic deformation and plays a crucial role in facilitating the movement of tectonic plates.Rate this question:
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- 13.
Which seismic wave cannot travel through the Earth's liquid outer core?
- A.
P-wave (Primary wave)
- B.
S-wave (Shear wave)
- C.
Rayleigh wave
- D.
Love wave
Correct Answer
B. S-wave (Shear wave)Explanation
S-waves (Shear waves) cannot travel through the Earth's liquid outer core. These waves require a solid medium for propagation and can only pass through the Earth's solid materials, such as the inner core and the mantle.Rate this question:
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- 14.
What type of plate boundary is responsible for the formation of a volcanic arc?
- A.
Divergent plate boundary
- B.
Convergent plate boundary
- C.
Transform plate boundary
- D.
Intraplate boundary
Correct Answer
B. Convergent plate boundaryExplanation
Convergent plate boundaries, specifically subduction zones, are responsible for the formation of volcanic arcs. When an oceanic plate subducts beneath another plate, it can cause melting in the mantle, leading to volcanic activity.Rate this question:
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- 15.
Which type of fault is associated with horizontal displacement and shear stress?
- A.
Normal fault
- B.
Reverse fault
- C.
Transform fault
- D.
Thrust fault
Correct Answer
C. Transform faultExplanation
Transform faults are associated with horizontal displacement and shear stress. They occur at plate boundaries where two plates slide past each other horizontally, and significant earthquakes can result from the accumulated stress along these faults.Rate this question:
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Current Version
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Nov 29, 2023Quiz Edited by
ProProfs Editorial Team -
Nov 27, 2023Quiz Created by
Surajit Dey
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