Earth Science: Tectonic Plates and Volcanoes
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Questions and Answers

What do tectonic plates do?

  • They are the dominant component in the Earth's core.
  • They create natural hazards.
  • They form magma beneath the Earth's surface.
  • They slowly move on the upper part of the mantle. (correct)
  • Which layer of the Earth is predominantly composed of dense silicates?

  • Atmosphere
  • Core
  • Mantle (correct)
  • Crust
  • What is magma?

  • A type of tectonic plate.
  • The outermost layer of Earth.
  • A natural process that occurs on Earth.
  • Melted rock material beneath Earth's surface. (correct)
  • Which term describes events that result in harm to humans?

    <p>Natural hazards</p> Signup and view all the answers

    What is defined as molten rock that has reached Earth's surface due to volcanic action?

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

    Which event is characterized by the sudden release of energy that causes the ground to shake or crack?

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

    What occurs when molten rock is expelled from the Earth's mantle, along with ash and gases?

    <p>Volcanic Eruption</p> Signup and view all the answers

    Which term refers to a natural feature consisting of hot rocks, ash, and gases that emerges from a crack in the Earth's surface?

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

    What creates a great sea wave, particularly as a result of an earthquake or volcanic eruption occurring under the sea?

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

    What geological feature is primarily formed at convergent plate boundaries?

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

    Which term refers to the study of volcanoes?

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

    Which of the following is NOT a type of tectonic plate boundary?

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

    What is the main reason for the volcanic activity around the Pacific 'Ring of Fire'?

    <p>multiple tectonic plates collide and interact</p> Signup and view all the answers

    What mechanism is used to control flooding?

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

    Which is NOT a major landscape change that occurs due to plate movement?

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

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