Earth - Sunder/Stephanie test

What is in the centre of the Earth?

What are the two layers of the core called?

What is the inner tempature of the core?

The core creates heat due to _____?

The outer core has a temperature of up to:

The core is the Earth's source of:

The _______ is in between the inner and outer core

True/False: The Lehmann Discontinuity is as hot as the surface of the Sun

The inner core is around how thick?

The inner core is made up of what?