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The inner core is about the size of this former planet:

This is an element used to generate electricity in nuclear generating stations.

In the 1864 novel, Journey to the Centre of the Earth written by:

This is the hottest part of the core and is as hot as the surface of the sun:

The upper most part of the upper mantle is called the:

Volcanoes are caused by cracks in the Earth’s:

The deepest artificial point on Earth was part of which project?

What is the term mineralogists use when referring to the crystal structure and shape of a mineral?

This refers to how see-through a mineral is:

The only province without mining is: