Hazards and Structure of the Earth Flashcards

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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?
Identify the two types of tectonic crust.
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Oceanic and continental crust

Identify the two types of tectonic crust.
What is a natural hazard?
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A natural hazard is a natural event such as an earthquake, volcanic eruption, tropical storm or flood that has the potential to cause death and damage.

What is a natural hazard?
Give 2 characteristics of oceanic crust.
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  • More dense than continental crust
  • Heavier than continental crust
  • Younger than continental crust
  • Thinner than continental crust.
Give 2 characteristics of oceanic crust.
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?




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