Convection currents

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  • Created by: Sarah
  • Created on: 24-01-15 14:04

Tectonic plates move due to convection currents in the mantle:


  1. Radioactive decay of some elements in the mantle and core generates alot of heat
  2. When Lower parts of the asthenosphere heat they become less dense and slowly rise
  3. As they move towards the top they Cool down and become more dense and slowly sink
  4. The circular movements of…


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