The Earth is composed primarily of

______% of the earth's surface is covered in a relatively thin layer of water.

The entire planet is surrounded by a thin layer of gas called

The outer most layer of the Earth is called

The _______ makes up the largest part of the earth (convection currents occur here).

The ______ crust is thicker, but less dense than the _______.

The Earth has a solid _________ that is surrounded by liquid.

As the Earth rotates, the outer core circulates around the inner core which causes a

The _______ is made up of liquid (molten rock).

The _______ is the thinnest layer of the Earth.

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