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 (B)</p> Signup and view all the answers

What causes the movement of matter in convection?

<p>Differences in density (D)</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 (D)</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 (A)</p> Signup and view all the answers

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

<p>Mantle (C)</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 (C)</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 (D)</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. (C)</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 (D)</p> Signup and view all the answers

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

<p>Mantle (D)</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 (D)</p> Signup and view all the answers

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

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

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

<p>Lithosphere (C)</p> Signup and view all the answers

What is the approximate thickness of the Continental crust?

<p>10-70 km (D)</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 (A)</p> Signup and view all the answers

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

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

Which ocean is the second largest on Earth?

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

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

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

What is unique about the Arctic Ocean's surface?

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

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

<p>Clockwise (D)</p> Signup and view all the answers

Why are the depths of the ocean very cold?

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

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

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

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

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

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

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

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

<p>Counterclockwise (D)</p> Signup and view all the answers

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

<p>27 days (B)</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° (D)</p> Signup and view all the answers

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