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The outer solid layer of the Earth
The liquid layer of molten rock between the crust and core
The centre of the Earth
The huge slabs of rock that make up the Earth's crust and top part of its mantle
The circular motion of matter caused by the heating and cooling of fluids
The relatively thin layer of gasses the surround that planet Earth
Makes up around 80% of the Earth's atmosphere
Makes up around 20% of the Earth's atmosphere
A trace gas, making up 0.9% of the Earth's atmosphere
A trace gas, making up 0.037% of the Earth's atmosphere
The solid part of the Earth's core.
The liquid part of the Earth's core.