this is the The Earth's crust is the Earth's hard outer layer. It is less than 1% of Earth's volume. The crust is made up of different types of rocks: mostly Oxygen (47%), Silicon (27%), Aluminum (8%), Iron (5%)
A mantle is a layer inside a planetary body bounded below by a core and above by a crust. Mantles are made of rock or ices, and are generally the largest and most massive layer of the planetary body.
Earth's outer core is a fluid layer about 2,400 km thick and composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle. Its outer boundary lies 2,890 km beneath Earth's surface
Earth's inner core is the innermost geologic layer of the Earth. It is primarily a solid ball with a radius of about 1,220 kilometres, which is about 20% of the Earth's radius or 70% of the Moon's radius.