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Why is the solid earth layered?

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The Solid Earth Is Layered Because heavy materials like Iron and nickel sank into the center of the earths mass. read more

The solid, central part of the core has a liquid (molten) layer surrounding it. Outside the core, the largest mass of planet Earth is called the mantle and this is mostly solid rock. The very outermost layer of our planet is about 30 miles thick, is made of lighter rocks, and is called the crust. read more

A few lakes at the Earth's surface have a similar effect, resulting in two distinct layers of water that never mix, with the warm water staying at the surface, and the much colder water staying at the bottom. Answer 2: The earth has different layers for a reason similar to chocolate milk. read more

As the Earth cooled below the melting point, the layered structure would be preserved. Answer 5: The earth has different layers because as it formed, the lighter parts (like continental crust) floated to the surface, and the really heavy parts (like iron and nickel in the core) sank to the middle. read more

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