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?
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 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 is the name of the upper portion of the mantle?
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The asthenosphere
What is the name of the upper portion of the mantle?
Give two possible reasons why tectonic plates move.
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Convection currents & Slab pull (+ ridge push).
Give two possible reasons why tectonic plates move.
