Hazards and Structure of the Earth Flashcards
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.
How can natural hazards be classified?
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- Tectonic hazards
- Atmospheric hazards
- Geomorphological hazards
- Biological hazards
How can natural hazards be classified?
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?
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?
Where in the world are the majority of the Earth’s volcanoes and earthquakes found?
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The majority of the Earth’s volcanoes and earthquakes occur around the Pacific Ring of Fire.
Where in the world are the majority of the Earth’s volcanoes and earthquakes found?
