Civil Engineering Disaster Science - Earth's Structure Overview
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Questions and Answers

Which layer of the atmosphere contains almost all of the ozone?

  • Troposphere
  • Stratosphere (correct)
  • Thermosphere
  • Mesosphere
  • At what altitude does the mesosphere extend to?

  • 150 km
  • 50 km
  • 100 km
  • 80 km (correct)
  • Which layer of the atmosphere is located farthest from Earth's surface?

  • Troposphere
  • Thermosphere (correct)
  • Mesosphere
  • Stratosphere
  • Which process is responsible for the transfer of energy as electromagnetic waves like visible light and infrared waves?

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

    What causes the movement of matter in convection?

    <p>Differences in density</p> Signup and view all the answers

    In which layer of the atmosphere do nitrogen and oxygen absorb solar radiation, resulting in very high temperatures?

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

    What is the primary focus of CE2234 Disaster Science Module 1 Introduction?

    <p>Describing the layers of the Earth and how they interact</p> Signup and view all the answers

    Which component of the Earth is NOT specifically mentioned in the outline?

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

    What is a focus area when learning about disasters and hazards in CE2234 Disaster Science Module 1 Introduction?

    <p>Understanding forces and forms of energy at play</p> Signup and view all the answers

    Which statement best summarizes the objectives of CE2234 Disaster Science Module 1 Introduction?

    <p>Understanding how different layers of the Earth interact</p> Signup and view all the answers

    What is NOT a key focus of CE2234 Disaster Science Module 1 Introduction?

    <p>Major disasters in the U.S.</p> Signup and view all the answers

    What type of disasters are specifically mentioned as part of CE2234 Disaster Science Module 1 Introduction?

    <p>Volcanic eruptions and landslides</p> Signup and view all the answers

    Which layer of the Earth is predominantly made up of a rock called peridotite?

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

    Which layer of the Earth is about 2500km thick and solid but still capable of flowing?

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

    What type of waves do not travel through the Earth's core?

    <p>S-waves</p> Signup and view all the answers

    Which layer of the Earth is very brittle and easily fractures at low temperatures?

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

    What is the approximate thickness of the Continental crust?

    <p>10-70 km</p> Signup and view all the answers

    Which layer of the Earth is primarily made up of Fe (Iron) with some Ni (Nickel)?

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

    What divides the Pacific Ocean into the North Pacific and South Pacific?

    <p>Surface currents</p> Signup and view all the answers

    Which ocean is the second largest on Earth?

    <p>Atlantic Ocean</p> Signup and view all the answers

    How is the surface area of the Arctic Ocean compared to the Pacific Ocean?

    <p>Much smaller</p> Signup and view all the answers

    What is unique about the Arctic Ocean's surface?

    <p>It is mostly covered by floating ice</p> Signup and view all the answers

    In which direction do surface currents in the North Pacific move?

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

    Why are the depths of the ocean very cold?

    <p>Lack of sunlight penetration</p> Signup and view all the answers

    What shape best describes the Earth based on the provided text?

    <p>Oblate spheroid</p> Signup and view all the answers

    Which celestial bodies interact directly with the Earth according to the text?

    <p>Sun and Moon</p> Signup and view all the answers

    How much is the Earth tilted from a perpendicular line to its orbital plane?

    <p>23.5°</p> Signup and view all the answers

    Which direction does the Earth rotate, as viewed from the polar north?

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

    How long does it take for the Sun to complete one rotation on average?

    <p>27 days</p> Signup and view all the answers

    What is the average tilt of the Sun's rotation axis from a perpendicular line to Earth's orbital plane?

    <p>-7.25°</p> Signup and view all the answers

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