Hazards and Structure of the Earth Flashcards

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Identify the three types of plate margin.
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Constructive, conservative and destructive.
Identify the three types of plate margin.
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?
Explain ridge push and slab pull as a cause of plate movement.
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Ridge push magma rises as the plates move apart. The magma cools to form new plate material. As it cools It becomes denser and slides down away from the ridge. This causes other plates to move away from each other.
Slab pull – The denser plate sinks back into the mantle under the influence of gravity. It pulls the rest of the plate along behind it.
Explain ridge push and slab pull as a cause of plate movement.
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?
How can natural hazards be classified?
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  • Tectonic hazards
  • Atmospheric hazards
  • Geomorphological hazards
  • Biological hazards
How can natural hazards be classified?




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