Hazards and Structure of the Earth Flashcards
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?
