Hazards and Structure of the Earth Flashcards

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What is the area where two plates meet known as?
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A plate margin or boundary.
What is the area where two plates meet known as?
What factors affect hazard risk?
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Factors include:

  • An increase in the number of people vulnerable to the natural hazard (e.g. population growth & increased population density close to hazard-prone areas)
  • An increase in the frequency and magnitude of the natural hazard
  • A decrease in the number of people capable of coping with the natural hazard
What factors affect hazard risk?
What are the characteristics of the mantle?
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The thickest section of the Earth. Approximately 2900km.

It is made up of semi-molten rock called magma.

What are the characteristics of the mantle?
Give 2 characteristics of continental crust.
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  • Less dense than oceanic crust
  • Thicker than oceanic crust
  • Lighter than oceanic crust
  • Forms the Earth’s continents
  • Older than oceanic crust
Give 2 characteristics of continental crust.
What is the structure of the Earth?
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From the centre:

  • Inner core
  • Outer core
  • Mantle
  • Crust
What is the structure of the Earth?




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