Plate Margins Flashcards
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?
Identify the type of volcano that form on destructive plate margins
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Composite volcano
Identify the type of volcano that form on destructive plate margins
Give an example of two tectonic plates that form a constructive plate margin
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North American and Eurasian Plate, South American plate and African Plate, Pacific plate and Nazca plate and the Cocos plate and Pacific plate.
Give an example of two tectonic plates that form a constructive plate margin
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.
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.
