A Earth Layers Quiz!

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  • 1/10 Questions

    The innermost layer of the Earth is

    • Inner core
    • Mantle
    • Outer core
    • Crust
    • None of these
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About This Quiz

Do you know about Earth's layers? Here is a fantastic quiz to test your knowledge! Most of the Earth is covered with water, making it unique and enabling life to exist. The Earth is divided into three layers that have an essential role on Earth: the core, the mantle, and the crust. These parts have different appearances and compositions. The practice quiz will help you review the different layers of the Earth and help you understand them better. Give it a try!

A Earth Layers Quiz! - Quiz

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  • 2. 

    What is the outermost layer of the Earth?

    • Inner core

    • Outer core

    • Mantle

    • Crust

    Correct Answer
    A. Crust
    Explanation
    The crust is the outermost layer of the Earth. It is the thinnest layer, ranging from 5-70 kilometers in thickness. It is composed of solid rock and is divided into continental crust and oceanic crust. The crust is the layer that we live on and is where most geological activity occurs, such as earthquakes and volcanic eruptions. It is also the layer where the Earth's surface features, such as mountains and valleys, are formed.

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  • 3. 

    Which layer lies directly above the inner core?

    • Mantle

    • Crust

    • Outer core

    • Lithosphere

    Correct Answer
    A. Outer core
    Explanation
    The outer core is the layer that lies directly above the inner core. The inner core is the innermost layer of the Earth, and the outer core surrounds it. The outer core is a liquid layer composed primarily of molten iron and nickel. It is responsible for generating Earth's magnetic field through the movement of its electrically conductive materials. The mantle is the layer above the outer core, followed by the crust and then the lithosphere.

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  • 4. 

    Which layer lies directly above the outer core?

    • Asthenosphere

    • Crust

    • Mantle

    • Inner core

    • All of the above

    Correct Answer
    A. Mantle
    Explanation
    The mantle lies directly above the outer core. The mantle is the layer of the Earth that is located between the crust and the outer core. It is composed of solid rock and is divided into two parts: the upper mantle and the lower mantle. The upper mantle is relatively rigid, while the lower mantle is more plastic-like. The mantle plays a crucial role in the movement of tectonic plates and the convection currents that drive plate tectonics.

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  • 5. 

    Which layers make up the lithosphere?

    • Crust, mantle, and core

    • The bottom part of the upper mantle

    • Crust and uppermost part of the mantle

    • Only the crust

    • The lithosphere does not exist.

    Correct Answer
    A. Crust and uppermost part of the mantle
    Explanation
    The lithosphere is made up of the crust and the uppermost part of the mantle. The crust is the outermost layer of the Earth, and it is divided into two types: continental crust and oceanic crust. The uppermost part of the mantle, known as the asthenosphere, is a semi-fluid layer beneath the crust. Together, the crust and uppermost mantle form the lithosphere, which is the rigid outer layer of the Earth. This layer is responsible for the movement of tectonic plates and contains the Earth's landforms and geological features.

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  • 6. 

    Which layers make up the Tabosphere?

    • The inner and outer core

    • Mantle

    • The inner core, outer core, and mantle

    • Crusts and mantle

    • The Tabosphere does not exist.

    Correct Answer
    A. The Tabosphere does not exist.
    Explanation
    The correct answer is that the Tabosphere does not exist. This means that there is no such thing as the Tabosphere. The other options provided in the question are incorrect as they list different layers that actually exist in the Earth's structure, such as the inner and outer core, mantle, and crusts. However, the Tabosphere is not a real layer and therefore does not make up any part of the Earth's structure.

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  • 7. 

    The mantle makes up ________ of the Earth's volume.

    • 20 percent

    • 40 percent

    • 80 percent

    • 100 percent

    Correct Answer
    A. 80 percent
    Explanation
    The mantle makes up 80 percent of the Earth's volume. The mantle is the layer between the Earth's crust and the core. It is composed of solid rock and is the thickest layer of the Earth. This layer plays a crucial role in the movement of tectonic plates and the convection currents that drive plate tectonics. The remaining 20 percent of the Earth's volume is made up of the crust and the core.

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  • 8. 

    Which layers make up the asthenosphere?

    • Crust, mantle, and core

    • The bottom part of the upper mantle

    • Crust and uppermost part of the mantle

    • Only the crust

    • The asthenosphere does not exist.

    Correct Answer
    A. The bottom part of the upper mantle
    Explanation
    The correct answer is the bottom part of the upper mantle. The asthenosphere is a layer located beneath the lithosphere, which is made up of the crust and the uppermost part of the mantle. It is a partially molten and ductile region that allows for the movement of tectonic plates. Therefore, the bottom part of the upper mantle is the correct answer as it accurately describes the composition of the asthenosphere.

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  • 9. 

    Which layer of the earth consists of molten?

    • Inner core

    • Outer core

    • Mantle

    • Crusts

    • Lithosphere

    Correct Answer
    A. Outer core
    Explanation
    The outer core of the Earth consists of molten material. This layer is located beneath the mantle and surrounds the solid inner core. The outer core is primarily made up of liquid iron and nickel, and it is responsible for generating the Earth's magnetic field through the movement of this molten material.

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  • 10. 

    Tell about the solid layer of Earth and its reason.

    • The inner core is solid because of the movement of the outer core.

    • The inner core is solid because of the low pressure and below-freezing temperatures.

    • The inner core is solid because of a balance between hot and cold temperatures.

    • The inner core is solid because of the high pressure that drops the temperature inside the core.

    • The inner core is solid because of the sky-high pressure and temperatures.

    Correct Answer
    A. The inner core is solid because of the sky-high pressure and temperatures.
    Explanation
    The inner core is solid because of the sky-high pressure and temperatures. The immense pressure at the center of the Earth, caused by the weight of the overlying layers, compresses the inner core and prevents it from melting. Additionally, the temperatures at the core are extremely high due to the heat generated by radioactive decay and residual heat from the planet's formation. These extreme pressure and temperature conditions keep the inner core in a solid state.

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  • Current Version
  • Mar 05, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 25, 2010
    Quiz Created by
    Tyim
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