What are some facts about the outer core?

The outer core surrounds the inner core and borders the mantle, which is the third region and the closest region to the Earth’s crust. Both the outer and inner cores are made almost entirely of nickel and iron. read more

The Outer Core is the second to last layer of the Earth. It is a magma like liquid layer that surrounds the Inner Core and creates Earth's magnetic field. In this section you will learn about how Earth's magnetic field is created, how hot it is, how thick the Outer Core is and a few interesting facts about the Outer Core. read more

The outer core is the third layer of the Earth. It is the only liquid layer, and is mainly made up of the metals iron and nickel, as well as small amounts of other substances. The outer core is responsible for Earth’s magnetic field. read more