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Inside the Earth

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  • Which layer of the Earth is liquid?
    outer core
  • Convection currents are powered by heat from which part of the Earth?
    core
  • What is the result of convection currents?
    movement of the tectonic/lithospheric plates
  • How can you tell that the crust has the lowest density?
    It is the top layer and floats on the mantle. Denser things sink.
  • Tectonic plates make up the Earth's.....
    lithosphere (will accept crust)
  • What kind of heat transfer is taking place in the Earth's mantle?
    convection
  • This layer of Earth is thought to be a solid, iron-rich zone.
    inner core
  • This layer is located between the crust and the core. It's a region of hot, slow-flowing solid rock.
    mantle
  • Which layer of Earth is the hottest?
    inner core
  • Which layer of the Earth is liquid (made of molten metal)?
    outer core
  • Which layer is the THICKEST layer of the Earth?
    mantle
  • 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.
  • What is the mantle made of?
    Heated rock
  • Which layer can be described as either oceanic or continental?
    crust
  • Which two layers of the earth are solid and non-flowing?
    crust & inner core
  • Which layer is the least dense and seems to "float" on the asthenosphere of the mantle.
    crust
  • The asthenosphere is made up of...
    soft rock that can "flow" (like tar or wet concrete)
  • What are the layers of Earth in order (starting from the outside & going inside)?
    Crust, Mantle, Outer Core, Inner Core
  • How are the crust and the inner core ALIKE?
    They are both solid.
  • Which of these is the THINNEST layer of the Earth?
    crust
  • The lithospheric plates "float" on top of the...
    asthenosphere
  • Which layer of the Earth has the most density?
    inner core
  • If you were to travel from the surface to the center of Earth, how would the temperature change?
    It would get much hotter.
  • In which layer to convection currents occur?
    mantle
  • What is the order of the Earth's layers from COOLEST to HOTTEST?
    Crust, Mantle, Outer Core, Inner Core
  • The order of the 4 main layers from LEAST dense to MOST dense is...
    crust, mantle, outer core, inner core
  • What are the two types of crust?
    oceanic and continental
  • What is the outermost layer of the earth?
    crust
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