Canadian School Projects

The Earth’s core

Part One :

1. A) It is the top layer of the earth, with a thickness of 5 km to 10 km for the oceanic crust, and 30 km to 50 km for the continental.
B) Lower/Upper mantle- is a 2900 km thick shell of compressed and neated rock, beginning below the earth’s crust.
C) Outer core- extends to a depth of around 3000 miles beneath the surface. It is believed that this outer core is made up of super heated liquid molten lava.
D) Solid Inner core- The inner core extends another 900 miles, in world toward the center of the earth. It Is believed that this inner core is a solid ball of mostly Iron and nickel. Read more…