The continental and ocean crust are made of what?

They are made of lava, but oceanic is thicker because of the pressure from the saltwater and the sediment settling down on top of it.:)

I'm sorry not thicker, denser (more packed into one area)

Much information can be found via clicking on the following search.

Composition of Continental and Ocean Crusts - Google Search (http://www.google.com/search?hl=en&q=Composition+of+Continental+and+Ocean+Crusts&aq=o&oq=)