Rachel
About
Khan Academy on a Stick
Structure of the earth
Structure of the Earth - crust, mantle, core
Plate tectonics
Plate tectonics: Difference between crust and lithosphere
Structure of the earth
Plate tectonics: Evidence of plate movement
Plate tectonics: Geological features of divergent plate boundaries
Plate tectonics: Geological features of convergent plate boundaries
Plates moving due to convection in mantle
Hawaiian islands formation
Pangaea
Compositional and mechanical layers of the earth
How we know about the earth's core
Your browser does not support Flash or HTML5 video. You can:
upgrade your browser
install Flash
try this direct link
If the above player doesn't work,
try this direct link
.