Earth's Layers and Tectonic Movements Quiz
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Questions and Answers

What is the driving force behind the movement of tectonic plates?

  • Magnetic force from the Earth's core
  • Pressure from the asthenosphere
  • Convection currents (correct)
  • Gravitational pull from the moon
  • When rock gains thermal energy, how does the movement of the molecules change?

  • Slows down and comes closer together
  • Becomes less dense
  • Speeds up and spreads out (correct)
  • Becomes denser
  • In which layer of the Earth are the tectonic plates located?

  • Inner core
  • Outer core
  • Mantle
  • Crust (correct)
  • When the density of rock increases, what does it tend to do?

    <p>Sink deeper into the asthenosphere</p> Signup and view all the answers

    What does the theory of plate tectonics state?

    <p>The lithosphere is broken into tectonic plates that float on the asthenosphere</p> Signup and view all the answers

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