6th Grade Geology: Earth Structure And Composition

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Quizzes Created: 2 | Total Attempts: 40,745
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  • 1/8 Questions

    The layers of the Earth are:

    • Crust, Mantle, Outer Core, and Inner Core
    • Crust, Top Middle, Bottom Middle, and Core
    • Top Soil, Molten Lava, Outer Core, and Inner Core
    • Crust, Mantle, Lava Center, and Core
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About This Quiz

This 6th grade Geology quiz assesses knowledge on Earth's structure and composition. Students answer questions about the crust, mantle, core, and elements like oxygen, silicon, iron, and nickel. It enhances understanding of geological concepts and the Earth's internal layers.

6th Grade Geology: Earth Structure And Composition - Quiz

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  • 2. 

    The Outer core is the thickest layer of the Earth

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The mantle is the thickest layer.

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  • 3. 

    The Earth's core is composed mainly of iron and nickel.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The Earth's core is divided into two parts: the inner core and the outer core. The inner core is solid and composed mostly of iron with a temperature of around 5,200° Celsius (9,392° Fahrenheit). The outer core is liquid and composed of a nickel-iron alloy. The Earth's core plays a crucial role in generating the planet's magnetic field, which protects us from harmful solar radiation.

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  • 4. 

    Melted rocks from the mantle are called

    • Sedimentary rocks

    • Lava

    • Molten lava

    • Magma

    Correct Answer
    A. Magma
    Explanation
    High temperatures (2800-3200 degrees Celsius) in the upper part of the mantle melt rocks, forming magma that flows like hot thick oatmeal.

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  • 5. 

    The distance from the North and south pole is smaller than from a point on the equator to an opposite point halfway around the equator.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    see question 7.

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  • 6. 

    Other elements that are in the Earth's crust are:

    • Sodium, lava, and soil

    • Aluminum, Iron, and Calcium

    • Molten lava, Sodium, and Iron

    • Aluminum, Iron, and bones

    Correct Answer
    A. Aluminum, Iron, and Calcium
    Explanation
    The crust also holds small amounts of Aluminum, Iron, Calcium, Magnesium, Sodium, and other elements.

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  • 7. 

    The Earth is a little flattened at the ________ and bulges a bit at __________.

    • Sea level and mountain tops

    • Poles and equator

    • Top and sides

    • Prime meridian and equator

    Correct Answer
    A. Poles and equator
    Explanation
    The Earth's shape is not perfectly spherical.

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  • 8. 

    The Earth's crust is mostly made of

    • Oxygen and Iron

    • Rock and Soil

    • Aluminum and Silicon

    • Oxygen and Silicon

    Correct Answer
    A. Oxygen and Silicon
    Explanation
    Most rocks that make up the Earth's crust are mad up primarily of the elements silicon(27%) and oxygen(45%).

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Quiz Review Timeline (Updated): Nov 25, 2024 +

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  • Current Version
  • Nov 25, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 25, 2013
    Quiz Created by
    JacobStudent
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