Trivia: Plate Tectonics Test Quiz!
Below is a plate tectonics test quiz trivia! There are a number of plates that exist on the outer surface of the earth which glide over the mantle. It is said that the continents were once a big mass of land which then broke apart as a result of the tectonic movements into what they are today. There have been numerous studies to explain these movements over the years and this quiz will test how well you understand them.
Questions and Answers
- 1.
Who was the scientist that first proposed the idea of the supercontinent Pangaea?
- A.
Harry Hess
- B.
Alfred Wegener
- C.
Albert Einstein
Correct Answer
B. Alfred WegenerExplanation
Alfred Wegener is the correct answer because he was the scientist who first proposed the idea of the supercontinent Pangaea in 1912. He suggested that the continents were once joined together in a single landmass and then gradually drifted apart over time, which eventually led to the formation of the current continents. Wegener's theory of continental drift laid the foundation for the modern understanding of plate tectonics.Rate this question:
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- 2.
What is caused by moving plates?
- A.
Earthquakes
- B.
Volcanoes
- C.
Valley
- D.
Both A and B
Correct Answer
D. Both A and BExplanation
Moving plates cause both earthquakes and volcanoes. When tectonic plates, which are large pieces of Earth's crust, move and interact with each other, they can create intense pressure and friction. This can lead to the release of energy in the form of earthquakes, as the plates suddenly slip or collide. Additionally, when plates converge or diverge, it can cause magma to rise to the surface, resulting in volcanic activity. Therefore, both earthquakes and volcanoes are caused by the movement of plates.Rate this question:
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- 3.
What two continent's coastlines look like they could fit each other like a puzzle piece?
- A.
South America & North America
- B.
Asia & Australia
- C.
South America & Africa
Correct Answer
C. South America & AfricaExplanation
South America and Africa's coastlines look like they could fit each other like a puzzle piece due to the phenomenon of continental drift. The theory of plate tectonics suggests that these two continents were once part of a larger supercontinent called Pangaea, which began to break apart around 200 million years ago. Over time, the continents drifted apart, creating the Atlantic Ocean between them. The similarities in the shape of their coastlines, such as the bulge of Brazil fitting into the Gulf of Guinea, provide evidence for this theory.Rate this question:
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- 4.
What forms due to convection currents in the asthenosphere?
- A.
Plate tectonics
- B.
Rift valley
- C.
Plate boundary
Correct Answer
A. Plate tectonicsExplanation
Convection currents in the asthenosphere cause the movement of the Earth's tectonic plates, leading to plate tectonics. These currents occur due to the heat generated from the Earth's core, causing the asthenosphere to become less dense and rise, and then cool and sink. This continuous cycle of rising and sinking creates the movement of the tectonic plates, resulting in various geological phenomena such as earthquakes, volcanic activity, and the formation of mountain ranges. Therefore, plate tectonics is the correct answer as it directly relates to the formation and movement of the Earth's plates.Rate this question:
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- 5.
What is the rigid outer layer of the earth?
- A.
Lithosphere
- B.
Crust
- C.
Mantle
Correct Answer
B. CrustExplanation
The correct answer is "Crust." The crust is the rigid outer layer of the Earth. It is the thinnest layer and is composed of solid rock. It is divided into two types: continental crust, which makes up the landmasses, and oceanic crust, which forms the ocean floors. The crust is where all life on Earth exists, and it is the layer that we interact with directly.Rate this question:
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- 6.
Seafloor spreading spreads apart at the equator.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Seafloor spreading does not spread apart at the equator. Seafloor spreading is a geological process where new oceanic crust is formed through volcanic activity and then moves away from the mid-ocean ridges. This movement occurs in opposite directions on either side of the ridge, creating a spreading zone. However, the spreading is not limited to the equator but occurs along the entire length of the mid-ocean ridges. Therefore, the statement that seafloor spreading spreads apart at the equator is false.Rate this question:
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- 7.
Continental crust is thicker but less dense than oceanic crust.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Continental crust is thicker than oceanic crust because it is composed of lighter materials, such as granite, whereas oceanic crust is made up of denser basalt. This difference in composition leads to the continental crust being less dense than the oceanic crust. Therefore, the statement that continental crust is thicker but less dense than oceanic crust is true.Rate this question:
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- 8.
The lithosphere is divided into three different parts.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The lithosphere is not divided into three different parts. The lithosphere is the rigid outermost layer of the Earth, consisting of the crust and the uppermost part of the mantle. It is a single, continuous layer that covers the entire Earth's surface. Therefore, the statement that the lithosphere is divided into three different parts is incorrect.Rate this question:
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- 9.
The asthenosphere is a plastic-like layer of rock under a small amount of pressure.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The asthenosphere is not a plastic-like layer of rock under a small amount of pressure. Instead, it is a plastic-like layer of rock under high pressure and temperature. This layer is located beneath the lithosphere and is responsible for the movement of tectonic plates.Rate this question:
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- 10.
The world's largest mountain chain is the mid-ocean ridge.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The mid-ocean ridge is a continuous underwater mountain range that stretches across the Earth's ocean basins, making it the longest mountain chain in the world. It extends for about 65,000 kilometers and is formed by volcanic activity along divergent plate boundaries. This mountain range plays a crucial role in the process of seafloor spreading and the formation of new oceanic crust. Therefore, it is accurate to say that the mid-ocean ridge is the world's largest mountain chain.Rate this question:
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- 11.
Three different types of plate boundaries are
Correct Answer
divergent
convergent
transformExplanation
The correct answer is divergent, convergent, and transform. These three types of plate boundaries are fundamental in understanding the movement and interaction of tectonic plates. Divergent boundaries occur when plates move apart, creating new crust. Convergent boundaries happen when plates collide, leading to subduction or mountain formation. Transform boundaries occur when plates slide past each other horizontally, causing earthquakes. These plate boundaries play a crucial role in shaping the Earth's surface and are responsible for various geological phenomena like volcanic activity, mountain ranges, and seismic activity.Rate this question:
- 12.
Pangaea, existing over 200 million years ago, is a
Correct Answer
supercontinentExplanation
Pangaea, existing over 200 million years ago, refers to a landmass that was formed when all the continents were joined together as one. This supercontinent was the result of tectonic plate movements, and it existed during the late Paleozoic and early Mesozoic eras. The term "supercontinent" accurately describes this phenomenon, as it represents a large landmass composed of multiple continents fused together.Rate this question:
- 13.
One piece of evidence for continental drift is the similar
Correct Answer
fossils
mountain chaines
rocks
paleomagnetismExplanation
The correct answer includes multiple pieces of evidence for continental drift. Fossils provide evidence of ancient organisms that were once connected but are now found on different continents. Mountain chains can be found on different continents but have similar geological features, suggesting they were once connected. Rocks can also be found on different continents that have similar compositions and ages, indicating they were once part of the same landmass. Paleomagnetism refers to the study of Earth's magnetic field recorded in rocks, and the matching magnetic patterns found on different continents support the idea of continental drift.Rate this question:
- 14.
The oceanic crust gets renewed at
Correct Answer
continental boundariesExplanation
The oceanic crust gets renewed at continental boundaries. At these boundaries, the oceanic crust is subducted beneath the continental crust, creating a convergent plate boundary. As the oceanic crust sinks into the mantle, it undergoes partial melting and forms magma. This magma then rises to the surface, creating volcanic activity and the formation of new oceanic crust. This process, known as subduction, is responsible for the continuous renewal of the oceanic crust at continental boundaries.Rate this question:
- 15.
When oceanic crust get forced underneath continental crust it is called
Correct Answer
subductionExplanation
Subduction occurs when oceanic crust is pushed beneath continental crust. This process is caused by the movement of tectonic plates and often leads to the formation of trenches and volcanic activity. As the denser oceanic crust sinks into the mantle, it can cause earthquakes and the melting of rock, resulting in the formation of magma. Subduction is an important geological process that contributes to the formation of mountain ranges and the recycling of Earth's crust.Rate this question:
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Mar 18, 2023Quiz Edited by
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Apr 26, 2011Quiz Created by
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