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Layers of the Earth and Plate Tectonics

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  • Which layer does the number 5 represent?
    Asthenosphere
  • Which layer makes up 68% of Earth's mass and is also the thickest layer of Earth?
    mantle
  • Which layer of Earth is the thinnest and is only 1% of Earth's mass?
    Crust
  • Which layer is made up of LIQUID nickel and iron metal. Also creates Earth’s magnetic field.
    Outer core
  • __________ boundaries are places where plates slide sideways past each other.
    Transform
  • True/False? Earthquakes and volcanoes most likely occur along the plate tectonic boundaries?
    True
  • Which type of plate tectonic boundary has plates that move towards each other. May form mountains and volcanoes.
    Convergent
  • This plate boundary has rising convection currents below lifts the lithosphere, producing a mid-ocean ridge.
    Divergent
  • During a convergent plate boundary, the oceanic plate is forced down into the mantle in a process known as __________
    subduction
  • When continental and oceanic plates collide and move towards each other, this describes which type of plate tectonic?
    Convergent
  • Which plate tectonic boundary has plates that slide past each other. Example San Andreas Fault
    Transform