Convection currents
- Created by: Sarah
- Created on: 24-01-15 14:04
Fullscreen
Tectonic plates move due to convection currents in the mantle:
- Radioactive decay of some elements in the mantle and core generates alot of heat
- When Lower parts of the asthenosphere heat they become less dense and slowly rise
- As they move towards the top they Cool down and become more dense and slowly sink
- The circular movements of…
Comments
No comments have yet been made