Thingvellir Region of Iceland: Tectonic Plates Quiz
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Questions and Answers

What is the main concept of Earth’s lithosphere?

  • It consists of large slabs of rocky material called tectonic plates.
  • It is the outer layer of solid rock composed of crust and part of the upper mantle. (correct)
  • It is made up of extremely hot material that behaves like plastic.
  • It is where two tectonic plates collide.

    • At which type of plate boundary do tectonic plates move apart and create new oceanic crust?

  • Transform plate boundary
  • Convergent plate boundary
  • Subduction zone
  • Divergent plate boundary (correct)

    • What is the process called when the denser crust goes below less-dense crust at a plate boundary?

  • Plate spreading
  • Tectonic uplift
  • Subduction (correct)
  • Seafloor spreading

    • What is an example of a transform plate boundary mentioned in the text?

    <p>Queen Charlotte Fault</p> Signup and view all the answers

    Where were the Endeavour hydrothermal vents created according to the text?

    <p>At a divergent plate boundary as the Juan de Fuca plate moved away from the Pacific plate</p> Signup and view all the answers

    What is the main characteristic of the asthenosphere?

    <p>It is made up of extremely hot material that behaves like plastic.</p> Signup and view all the answers

    What type of plate boundary causes deep sea trenches to form?

    <p>Convergent plate boundary</p> Signup and view all the answers

    Which type of tectonic plate boundary results from movement along faults?

    <p>Transform plate boundary</p> Signup and view all the answers

    What type of tectonic plate boundary can also occur in the middle of continents as continental rifting?

    <p>Divergent plate boundary</p> Signup and view all the answers

    What is the name for the layer below Earth’s lithosphere that behaves like plastic and enables tectonic plates to move?

    <p>Asthenosphere</p> Signup and view all the answers

    What is the primary cause of mantle convection?

    <p>Radioactive decay in Earth's interior</p> Signup and view all the answers

    What is the main effect of slab pull on tectonic plates?

    <p>Lifting and pushing tectonic plates at convergent plate boundaries</p> Signup and view all the answers

    What contributes to the movement of tectonic plates?

    <p>Rising material spreading out in the upper mantle</p> Signup and view all the answers

    What is the role of ridge push in tectonic plate movement?

    <p>Causing tectonic plates to move apart at divergent plate boundaries</p> Signup and view all the answers

    Which process causes the lithosphere to lift and push tectonic plates apart at divergent plate boundaries?

    <p>Ridge push</p> Signup and view all the answers

    What is the primary force that pulls the rest of the subducting plate at convergent plate boundaries?

    <p>Gravity and convection</p> Signup and view all the answers

    What is the primary factor responsible for the movement of tectonic plates?

    <p>Mantle convection</p> Signup and view all the answers

    Which of the following describes the process where new material pushes older material aside, causing tectonic plates to move apart?

    <p>Ridge push</p> Signup and view all the answers

    At which type of plate boundary does the pulling of a tectonic plate due to gravity and subduction occur?

    <p>Convergent plate boundary</p> Signup and view all the answers

    What contributes significantly to the movement of tectonic plates by causing large convection currents in the mantle?

    <p>Mantle convection</p> Signup and view all the answers

    What is the main characteristic of the asthenosphere that enables tectonic plates to move?

    <p>Partial melting</p> Signup and view all the answers

    What is the main effect of gravitational pull on tectonic plates at convergent plate boundaries?

    <p>Slab pull</p> Signup and view all the answers

    What type of plate boundary forms as a result of two tectonic plates colliding?

    <p>Convergent plate boundary</p> Signup and view all the answers

    Where can deep sea trenches, volcanoes, and mountains form due to tectonic plate movements?

    <p>Convergent plate boundary</p> Signup and view all the answers

    Which type of plate boundary results from the sliding past of two tectonic plates horizontally?

    <p>Transform plate boundary</p> Signup and view all the answers

    What geological feature is created as a result of the Juan de Fuca plate moving away from the Pacific plate?

    <p>Endeavour hydrothermal vents</p> Signup and view all the answers

    What is the primary cause of mantle convection that contributes significantly to the movement of tectonic plates?

    <p>Ridge push</p> Signup and view all the answers

    At which type of plate boundary do tectonic plates move apart and create new oceanic crust?

    <p>Divergent plate boundary</p> Signup and view all the answers

    What enables Earth’s plates to move due to the flow of hot, plastic-like material beneath them?

    <p>Asthenosphere</p> Signup and view all the answers

    Where were Mount Garibaldi and Queen Charlotte Fault created as a result of tectonic plate movements?

    <p>Convergent plate boundary</p> Signup and view all the answers

    What causes new oceanic crust to be created as tectonic plates move apart?

    <p>Ridge push</p> Signup and view all the answers

    What is characteristic of the Earth’s lithosphere that is made up of large slabs of rocky material called tectonic plates?

    <p>Outer layer of solid rock composed of crust and part of the upper mantle</p> Signup and view all the answers

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