A mechanical layer of the Planet Earth that lies at the top-most layer of the earth.
- Includes the continental and oceanic Crust
 Plates that can shift
Plates that can shift
 Something hot causes a split between a plate, moving mantle down into the earth
Something hot causes a split between a plate, moving mantle down into the earth
History
- Abraham Ortelius’s discovery of an atlas
- Niagara Gorge
Plates
