Geography Rivers (UNIT ONE)

The Structure of the Earth

Crust - made up of continental crust and oceanic crust. Continental crust is lighter and made up of granite. Oceanic crust is heavier and made up of basalt.

Mantle - layer of molten rock, where temperature increases with depth. Some areas of the mantle are warmer than others causing hear or convection currents.

Core - made up of liquid…