Questions On Volcanoes And Plate Tectonics! Trivia Quiz
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- 1.
How are plate tectonics and volcanoes related?
- A.
They have nothing to do with one another.
- B.
Volcanoes are formed near where plates collide and are not formed anywhere else.
- C.
Volcanoes are formed near where plates collide and in the ocean.
- D.
Volcanoes are not formed where plates collide, but do form in the ocean.
Correct Answer
C. Volcanoes are formed near where plates collide and in the ocean.Explanation
Plate tectonics and volcanoes are related because volcanoes are formed near where plates collide and in the ocean. When tectonic plates collide, one plate is forced beneath the other, creating a subduction zone. This subduction zone can lead to the formation of volcanoes as the subducting plate melts and rises to the surface. Additionally, volcanic activity is also common along mid-ocean ridges, where tectonic plates are moving apart, allowing magma to rise and form new oceanic crust. Therefore, the presence of volcanoes is closely linked to the movement and interaction of tectonic plates.Rate this question:
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- 2.
A tall steep volcano is a
- A.
Shield Volcano
- B.
Composite Volcano
- C.
Cinder Cone Volcano
- D.
Ring of Fire Volcano
Correct Answer
B. Composite VolcanoExplanation
A tall steep volcano is a composite volcano because it is characterized by its steep sides and symmetrical shape. Composite volcanoes are formed by alternating layers of lava flows and pyroclastic materials such as ash, cinders, and volcanic bombs. These volcanoes are typically found in subduction zones where one tectonic plate is forced beneath another. The steep sides of composite volcanoes are a result of the sticky and viscous lava that does not flow far from the vent before solidifying. Examples of composite volcanoes include Mount Fuji in Japan and Mount St. Helens in the United States.Rate this question:
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- 3.
A short steep volcano is a
- A.
Shield Volcano
- B.
Composite Volcano
- C.
Cinder Cone Volcano
- D.
Ring of Fire Volcano
Correct Answer
C. Cinder Cone VolcanoExplanation
A cinder cone volcano is a short steep volcano formed by explosive eruptions. These eruptions eject fragments of lava, called cinders, into the air. The cinders then fall back to the ground and pile up around the vent, creating a cone-shaped mountain with steep sides. Cinder cone volcanoes are typically small in size and have a simple structure. They are characterized by their symmetrical shape and often have a bowl-shaped crater at the summit.Rate this question:
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- 4.
A volcano that is not steep is a
- A.
Shield Volcano
- B.
Composite Volcano
- C.
Cinder Cone Volcano
- D.
Ring of Fire Volcano
Correct Answer
A. Shield VolcanoExplanation
A volcano that is not steep is a Shield Volcano. Shield volcanoes are characterized by their gentle slopes and broad, flattened shapes. They are formed by the accumulation of fluid lava flows that spread out over a large area, creating a shield-like appearance. These volcanoes typically have low-viscosity lava, which allows it to flow easily and cover greater distances before solidifying. This results in the gradual formation of a wide, shallow volcano with a gentle slope. Shield volcanoes are commonly found in areas with hotspots or along divergent plate boundaries.Rate this question:
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- 5.
The outermost layer of the Earth is called the
- A.
Mantle
- B.
Lithosphere
- C.
Core
- D.
Crust
- E.
Inner mantle
Correct Answer
D. CrustExplanation
The crust is the correct answer because it is the outermost layer of the Earth. It is a thin, solid layer that forms the Earth's surface. The crust is divided into two types: the continental crust, which is thicker and less dense, and the oceanic crust, which is thinner and more dense. The crust is where all the landforms, such as mountains and valleys, are found, and it is also where all life on Earth exists.Rate this question:
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- 6.
The lithosphere includes
- A.
The area of the mantle just under the aesthenosphere
- B.
The crust and the upper mantle
- C.
The crust and the lower mantle
- D.
The mantle and the outer core
Correct Answer
B. The crust and the upper mantleExplanation
The lithosphere refers to the rigid outer layer of the Earth, which includes the crust and the uppermost part of the mantle. This layer is divided into tectonic plates and is responsible for the movement and interaction of these plates. Therefore, the correct answer is "the crust and the upper mantle", as it accurately describes the components that make up the lithosphere.Rate this question:
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- 7.
The aesthenosphere includes
- A.
The crust and the upper mantle
- B.
The area of the mantle just below the lithosphere
- C.
The crust and the upper mantle
- D.
The mantle and the outer core
Correct Answer
B. The area of the mantle just below the lithosphereExplanation
The correct answer is the area of the mantle just below the lithosphere. The aesthenosphere is a region in the Earth's mantle that lies just below the lithosphere. It is a semi-fluid layer of rock that allows for the movement of tectonic plates. This region is characterized by its high temperature and pressure, which causes the rocks to become partially molten and more ductile. The lithosphere, on the other hand, is the rigid outermost layer of the Earth that includes the crust and the uppermost part of the mantle.Rate this question:
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- 8.
The layer of the Earth where convection currents occur is the
- A.
Crust
- B.
Lithosphere
- C.
Aesthenosphere
- D.
Stratosphere
Correct Answer
C. AesthenosphereExplanation
The correct answer is aesthenosphere. The aesthenosphere is a semi-fluid layer located beneath the lithosphere. It is composed of partially molten rock that allows for the movement of convection currents. These currents are responsible for the movement of tectonic plates, leading to phenomena such as earthquakes and volcanic activity. The crust, lithosphere, and stratosphere are not involved in convection currents.Rate this question:
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- 9.
Convection currents occur in the Earth because
- A.
Hot magma rises and is cooled and sinks again to be heated.
- B.
The Earth spins and not all of the magma spins at the same rate.
- C.
Cold magma rises and is heated and sinks again to be cooled.
- D.
Volcanoes pull the magma out of the Earth and it becomes lava.
Correct Answer
A. Hot magma rises and is cooled and sinks again to be heated.Explanation
Convection currents occur in the Earth because hot magma rises and is cooled and sinks again to be heated. As the Earth's interior is extremely hot, the magma near the core becomes less dense and rises towards the surface. As it rises, it cools down and becomes denser, causing it to sink back down. This continuous cycle of rising and sinking creates convection currents within the Earth's mantle. These convection currents play a crucial role in the movement of tectonic plates and the formation of various geological features such as mountains, volcanoes, and earthquakes.Rate this question:
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- 10.
How is density related to convection currents?
- A.
Cold magma is less dense than hot magma, so cold magma rises and is heated, becomes more dense, then sinks to be cooled again.
- B.
Hot magma is the same density as cold magma, the currents happen because of the heat pushing on the cold.
- C.
Density has nothing to do with convection currents. The hot and cold just mix up because of their temperature.
- D.
Hot magma is less dense than cold magma, so hot magma rises and is cooled, becomes more dense, then sinks to be heated again.
Correct Answer
D. Hot magma is less dense than cold magma, so hot magma rises and is cooled, becomes more dense, then sinks to be heated again.Explanation
The answer explains that hot magma is less dense than cold magma, which causes the hot magma to rise and be cooled, becoming more dense and sinking again to be heated. This explanation accurately describes the relationship between density and convection currents in the context of magma.Rate this question:
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- 11.
The theory of tectonic plates
- A.
Has no evidence and is not a believable theory.
- B.
Has some evidence and some scientists believe it.
- C.
Has much evidence and most scientists believe it.
- D.
Is not being investigated today.
Correct Answer
C. Has much evidence and most scientists believe it.Explanation
The theory of tectonic plates has much evidence and is widely accepted by most scientists. This theory is supported by various pieces of evidence, including the matching shapes of continents, the distribution of earthquakes and volcanoes, and the magnetic patterns on the seafloor. These pieces of evidence provide strong support for the idea that the Earth's lithosphere is divided into several large plates that move and interact with each other. The acceptance of this theory by the majority of scientists demonstrates its credibility and believability in the scientific community.Rate this question:
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- 12.
The crust of the Earth is thick compared to ________________ and is thin compared to _________________.
- A.
California/Texas
- B.
An ant/humans
- C.
Humans/the overall size of the earth
- D.
The US/California
Correct Answer
C. Humans/the overall size of the earthExplanation
The crust of the Earth is thick compared to humans, as it is the outermost layer of the Earth's surface, ranging from 5 to 70 kilometers in thickness. However, it is thin compared to the overall size of the Earth, which has a radius of about 6,371 kilometers.Rate this question:
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- 13.
How many tectonic plates are there?
- A.
Six
- B.
Eight
- C.
Ten
- D.
Twelve
Correct Answer
D. TwelveExplanation
There are twelve tectonic plates. Tectonic plates are large pieces of the Earth's lithosphere that fit together like a jigsaw puzzle. These plates float on the semi-fluid asthenosphere beneath them and are constantly moving. The movement of these plates is responsible for earthquakes, volcanic activity, and the formation of mountain ranges. The Earth's surface is divided into twelve major plates, including the Pacific Plate, North American Plate, Eurasian Plate, and African Plate, among others. Each plate interacts with its neighboring plates, creating various geological features and phenomena.Rate this question:
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- 14.
The deepest hole ever drilled
- A.
Did not reach its goal and gave us important information about the Earth.
- B.
Did not reach its goal and gave us no important information about the Earth.
- C.
Reached its goal and gave us no important information about the Earth.
- D.
Reached its goal and gave us important information about the Earth.
Correct Answer
A. Did not reach its goal and gave us important information about the Earth.Explanation
The correct answer is "did not reach its goal and gave us important information about the Earth." This answer suggests that despite not reaching its intended depth, the drilling process still provided valuable insights about the Earth. This implies that even partial data or findings from the drilling were significant and contributed to our understanding of the Earth.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
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Oct 27, 2009Quiz Created by
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