Oceanic Crust Objectives: 1.To be able to define what oceanic crust is; 2.To be able to explain how oceanic crust forms; 3.To be able to describe the composition.
QUIZ 23 JULY 2010 1) What is the earth’s equatorial radius? 2) What is the layer beyond thermosphere? 3) Thickness of continental crust? 4) Composition.
All about our Earth. Layers of the Earth Scientist think that as the Earth was forming the denser materials, such as iron and nickel, sank to the center.
