Quiz Over Layers Of The Earth

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| By Ehoerger
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Ehoerger
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  • 1/10 Questions

    The three main layers of the Earth are:

    • Crust, outer core, inner core
    • Crust, mantle, core
    • Mantle, crust, core
    • Mantle, crust, asthenosphere
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About This Quiz

The earth is made up of different layers that have different compositions and properties; they are responsible for how the continents are formed. All the layers play a certain role on earth and give answers to some occurrences on earth. Take the quiz below and see just how well you understand the layers.

Quiz Over Layers Of The Earth - Quiz

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  • 2. 

    True/False:  The asthenosphere is both hotter and under more pressure than the lithosphere.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    True! Refer to explanation, paragraph 2.

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  • 3. 

    As you travel deeper into the Earth, the pressure:

    • Does nothing; there is no pressure

    • Stays the same

    • Decrease

    • Increases

    Correct Answer
    A. Increases
    Explanation
    As you travel deeper into the Earth, the pressure increases. This is because the weight of the overlying rocks and materials creates a force that pushes down on the layers beneath. The deeper you go, the more layers of rock and material there are above, resulting in a greater force and therefore increased pressure.

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  • 4. 

    What is the outermost layer of the Earth called?

    • Lithosphere

    • Outer core

    • Crust

    • Inner core

    Correct Answer
    A. Crust
    Explanation
    The outermost layer is the crust. Refer to step 2 to review.

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  • 5. 

    ____________ is a layer of molten metal that surrounds in the inner core.

    Correct Answer
    Outer core
    Explanation
    Refer to definitions

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  • 6. 

    This is the most dense layer of the earth:

    • Mantle

    • Outer core

    • Crust

    • Inner core

    Correct Answer
    A. Inner core
    Explanation
    The inner core is the most dense layer of the Earth. It is a solid, iron-rich sphere located at the center of the Earth. The immense pressure at the core causes the iron to be in a solid state, despite its high temperature. The inner core is believed to have a density of about 13 grams per cubic centimeter, making it the densest layer of the Earth. Its high density is due to the compression of the iron atoms under extreme pressure.

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  • 7. 

    The entire core, both outer and inner, are liquid.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The core has two parts – a liquid outer core and a solid inner core.

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  • 8. 

    True/False: The mantle is located approximately 200 kilometers beneath the Earth's surface.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    False: The mantle is located about 40 kilometers beneath Earth's surface.

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  • 9. 

    Where is the lithosphere located on Earth?

    • Right above the mantle

    • Inside the outer core

    • On the crust

    Correct Answer
    A. On the crust
    Explanation
    The lithosphere is located on the crust of the Earth. The lithosphere is the outermost layer of the Earth and is made up of the crust and the uppermost part of the mantle. It is a rigid and solid layer that includes the continents, oceanic crust, and the underlying uppermost part of the mantle. This layer is divided into tectonic plates that float on the semi-fluid asthenosphere below. The lithosphere plays a crucial role in plate tectonics and is where most geological activity occurs, including earthquakes, volcanic eruptions, and the formation of mountains.

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  • 10. 

    _____________ mainly makes up the continental crust.

    Correct Answer
    Granite
    Explanation
    Refer to first paragraph of explanation

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  • Current Version
  • Jul 26, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 11, 2016
    Quiz Created by
    Ehoerger
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