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Inside the Earth

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    Layers of the Earth
  •   Study   Slideshow
  • Which two layers of the earth are solid and non-flowing?
    crust & inner core
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  • What is the order of the Earth's layers from COOLEST to HOTTEST?
    Crust, Mantle, Outer Core, Inner Core
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  • If you were to travel from the surface to the center of Earth, how would the temperature change?
    It would get much hotter.
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  • What is the mantle made of?
    Heated rock
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  • What are the layers of Earth in order (starting from the outside & going inside)?
    Crust, Mantle, Outer Core, Inner Core
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  • Which of these is the THINNEST layer of the Earth?
    crust
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  • Which layer is the THICKEST layer of the Earth?
    mantle
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  • The lithospheric plates "float" on top of the...
    asthenosphere
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  • Which layer is the least dense and seems to "float" on the asthenosphere of the mantle.
    crust
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  • Which layer of the Earth is liquid (made of molten metal)?
    outer core
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  • What are the two types of crust?
    oceanic and continental
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  • In which layer to convection currents occur?
    mantle
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  • What is the result of convection currents?
    movement of the tectonic/lithospheric plates
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  • How can you tell that the crust has the lowest density?
    It is the top layer and floats on the mantle. Denser things sink.
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  • How can you tell that the inner core has the highest density?
    It is a hard ball of solid metal, so it would be very dense. It's also the lowest layer.
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  • What kind of heat transfer is taking place in the Earth's mantle?
    convection
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