The Earth Layers Quiz: Test!

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Quizzes Created: 1 | Total Attempts: 362
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  • 1/15 Questions

    When something is denser it will:

    • Rise
    • Sink
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About This Quiz

The Earth Layers Quiz: Test! Dive into the structure of Earth with questions on its innermost layers, the composition of the lithosphere, and the properties of its crust. Understand why the mantle moves and the density differences in crust types. Essential for learners interested in Earth's geology.

The Earth Layers Quiz: Test! - Quiz

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  • 2. 

    What is the innermost layer of our Earth?

    • Outer Core

    • Crust

    • Mantle

    • Inner Core

    Correct Answer
    A. Inner Core
    Explanation
    The innermost layer of our Earth is the inner core. This layer is located at the very center of the Earth and is made up of solid iron and nickel. It is the hottest and most dense part of the Earth, with temperatures reaching up to 5,500 degrees Celsius. The immense pressure at the center of the Earth keeps the inner core in a solid state, despite its high temperature. The inner core plays a crucial role in Earth's magnetic field, as it is composed of solid metal that generates the Earth's magnetic field through convective currents.

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  • 3. 

    What layers do the Lithosphere consist of?

    • Crust and Mantle

    • Mantle and Outer Core

    • Inner Core and Outer Core

    • Crust and Inner Core

    Correct Answer
    A. Crust and Mantle
    Explanation
    The lithosphere is the rigid outer layer of the Earth, consisting of the crust and the uppermost part of the mantle. The crust is the thin, solid outermost layer of the Earth, while the mantle is the layer beneath the crust. Therefore, the correct answer is "Crust and Mantle."

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  • 4. 

    Which of the cores in our Earth is LIQUID?

    • Inner Core

    • Outer Core

    Correct Answer
    A. Outer Core
    Explanation
    The outer core of the Earth is liquid. It is composed of molten iron and nickel, and it surrounds the solid inner core. The high temperatures and pressures in the Earth's interior cause the outer core to remain in a liquid state. This liquid outer core is responsible for generating the Earth's magnetic field through a process called the dynamo effect.

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  • 5. 

    How are earthquakes measure?

    • By using math to calculate the length of the earthquake

    • By feeling and earthquake

    • Ruler

    • The Richter Scale

    Correct Answer
    A. The Richter Scale
    Explanation
    The Richter Scale is used to measure earthquakes. It is a logarithmic scale that quantifies the energy released by an earthquake. It measures the amplitude of seismic waves recorded by seismographs. The higher the Richter magnitude, the larger the earthquake. This scale allows scientists to compare the size and intensity of earthquakes accurately.

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  • 6. 

    What are the Earth's Layers from outermost to innermost?

    • Inner Core, Outer Core, Mantle, and then Crust

    • Mantle, Crust, Outer Core, and then Inner Core

    • Crust, Mantle, Outer Core, and then Inner Core

    • Outer Core, Mantle, Crust, and then Inner Core

    Correct Answer
    A. Crust, Mantle, Outer Core, and then Inner Core
    Explanation
    The correct answer is Crust, Mantle, Outer Core, and then Inner Core. This is the correct order of the Earth's layers from outermost to innermost. The crust is the outermost layer, followed by the mantle, which is a thick layer of hot, solid rock. The outer core is a layer of liquid metal that surrounds the inner core, which is the Earth's solid, innermost layer.

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  • 7. 
    What can happen at a Transform Boundary? - ProProfs

    What can happen at a Transform Boundary?

    • Mountains

    • Earthquakes

    • Rift Valleys

    • Trenches

    Correct Answer
    A. Earthquakes
    Explanation
    At a transform boundary, two tectonic plates slide past each other horizontally. This movement can cause intense friction and pressure between the plates, leading to the release of energy in the form of earthquakes. Therefore, it is correct to say that earthquakes can happen at a transform boundary.

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  • 8. 

    What is the continental crust made up of?

    • Basalt

    • Obsidian

    • Quartz

    • Granite

    Correct Answer
    A. Granite
    Explanation
    The continental crust is made up of granite. Granite is a type of igneous rock that is composed mainly of quartz, feldspar, and mica. It is a common rock found in the Earth's continental crust and is known for its durability and strength. Granite is often used as a building material and can be found in many architectural structures and monuments.

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  • 9. 
    What boundary were the Himalayan Mountains formed? - ProProfs

    What boundary were the Himalayan Mountains formed?

    • Convergent

    • Divergent 

    • Transform

    Correct Answer
    A. Convergent
    Explanation
    The Himalayan Mountains were formed at a convergent boundary. Convergent boundaries occur when two tectonic plates collide. In the case of the Himalayas, the Indian Plate is colliding with the Eurasian Plate. This collision has resulted in the uplift of the mountains and the formation of the highest peaks in the world. The convergence of these two plates has also led to the creation of other geological features in the region, such as earthquakes and the formation of the Tibetan Plateau.

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  • 10. 

    Which layer of the Earth is the hottest?

    • Crust

    • Mantle

    • Outer Core

    • Inner Core

    Correct Answer
    A. Inner Core
    Explanation
    The inner core of the Earth is the hottest layer. This is because it is composed mainly of solid iron and nickel under immense pressure. The intense pressure causes the atoms in the inner core to vibrate rapidly, generating a significant amount of heat. Additionally, the inner core is at the center of the Earth, where it is insulated by the surrounding layers, further contributing to its high temperature.

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  • 11. 

    What is the most well-known Transform Boundary?

    • Queen Charlotte Fault

    • San Andreas Fault

    • Montagua Fault

    • Owen Fracture Zone

    Correct Answer
    A. San Andreas Fault
    Explanation
    The San Andreas Fault is the most well-known transform boundary. It is a major geological fault in California, USA, and is known for its frequent and powerful earthquakes. The fault separates the Pacific Plate and the North American Plate, causing them to slide horizontally past each other. The San Andreas Fault gained significant attention due to its proximity to densely populated areas such as Los Angeles and San Francisco. Its notoriety is further enhanced by its role in popular culture, as it is often featured in movies and media as a symbol of seismic activity in California.

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  • 12. 

    Oceanic crust is MORE DENSE than Continental crust

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The oceanic crust is denser than the continental crust because it is primarily composed of basalt, which is a denser rock compared to the granite that makes up the continental crust. The oceanic crust is also thinner and younger than the continental crust, which contributes to its higher density. The denser oceanic crust sinks below the less dense continental crust at subduction zones, forming deep ocean trenches.

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  • 13. 

    Oceanic crust is made up of granite.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Oceanic crust is not made up of granite. It is primarily composed of basalt, a type of volcanic rock that is denser and darker in color compared to granite. Granite, on the other hand, is a type of igneous rock that forms on the continental crust. The composition of oceanic crust is different from that of continental crust, and this difference in composition is one of the factors that contribute to the contrasting characteristics of these two types of crust.

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  • 14. 

    Why does the mantle move?

    • Earth's gravitational pull

    • Earth's rotation

    • Due to convection currents

    • It is unknown 

    Correct Answer
    A. Due to convection currents
    Explanation
    The mantle moves due to convection currents. Convection currents are caused by the heat generated from the core of the Earth. The heat causes the molten rock in the mantle to rise, creating an upward flow. As the molten rock cools, it sinks back down, creating a downward flow. This continuous cycle of rising and sinking creates movement in the mantle, which in turn causes the tectonic plates on the Earth's surface to move.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 31, 2020
    Quiz Created by
    McClain
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