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01 ESS [8.ESS.1]: The composition and properties of Earth’s interior are identified by the behavior of seismic waves

Quiz by Casey Dunham

Grade 8
Science
Ohio Learning Standards

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11 questions
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  • Q1

    A scientific model is a representation of a system which provides information but is different from the real thing. This column of liquids is a model of Earth’s layers.

    Select two characteristics of Earth’s layers that are represented by this column of liquids.

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    120s
  • Q2

    How do seismic waves from earthquakes provide evidence about the nature of Earth’s interior?

    The seismic waves reflect or refract when they cross boundaries from one of the Earth’s layers to another.

    The seismic waves travel through the Earth’s layers and converge on plate boundaries where they collide and release energy.

    The seismic waves travel through the layers of Earth to the ocean on the other side, where the height of the water waves is measured.

    Sensing probes in the bottom of deep diamond mines detect wave changes as seismic waves travel through Earth.

    120s
  • Q3

    Different elements are more likely to be present in each layer of Earth. Move the elements to the chart to show if they are more likely to be found in Earth’s core or crust.

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    120s
  • Q4

    About when did planetary differentiation take place on Earth?

    about 4.6 million years ago

    about 13 million years ago

    about 13 billion years ago

    about 4.6 billion years ago

    120s
  • Q5

    Move the labels of the layers of Earth to arrange them from most dense  (#1) to least dense (#5).

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    120s
  • Q6

    Radioactive decay in Earth’s core is a major energy source for which geologic process?

    convection currents in the mantle that move the tectonic plates

    glacial outflow as glaciers melt from the heat given off by nuclear fission in the rocks

    the rotation of Earth and the tidal forces created by this rotation

    S and P waves that travel through the mantle and crust, causing earthquakes

    120s
  • Q7

    On the diagram, which of the region of Earth with the lowest density?

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    Inner Core

    Mantle

    Crust

    Outer Core

    30s
  • Q8

    Why is the crust is the least dense layer of Earth?

    It contains the least volume of material.

    Liquids are always less dense than solids.

    As the Earth formed and cooled, the less dense materials sank to the middle.

    Warmer materials are always less dense than cooler materials.

    As the Earth formed and cooled, the less dense materials rose to the outer surface.

    120s
  • Q9

    Thermal energy drives convection currents inside Earth. Select three processes that have supplied thermal energy to drive this process.

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    120s
  • Q10

    There are two types of seismic waves: s-waves and p-waves. While p-waves are able to travel through solids and liquids, s-waves are only able to travel through solids. The picture shows seismic waves generated at position X traveling through the interior of Earth. Select the letter(s) that indicate the area(s) that would NOT experience s-waves generated from X.

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  • Q11

    Which two statements give the best reason for why area D would not experience S-Waves

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