Earth's Layers and Plate Tectonics Quiz
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Questions and Answers

What prevents the molten iron in the inner core from being liquid?

  • The presence of nickel prevents the iron from melting
  • The high pressure makes the liquid behave like a solid (correct)
  • The low temperature keeps the liquid from turning into a solid
  • The molten iron is already in a solid state

    • What is the thickness of the inner core?

  • 2,000 km
  • 1,222 km (correct)
  • 3,500 km
  • 700 km

    • What are the cracked and divided parts called that make up the Earth's crust?

  • Plates (correct)
  • Blocks
  • Divisions
  • Segments

    • How do oceanic plates differ from continental plates?

    <p>Oceanic plates are thinner and have absorbed water from the oceans</p> Signup and view all the answers

    Why are oceanic plates compared to wet sponges?

    <p>Because oceanic plates are thinner and have absorbed water from the oceans</p> Signup and view all the answers

    What makes continental plates different from oceanic plates?

    <p>Continental plates are thicker and lighter than oceanic plates</p> Signup and view all the answers

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