Layers Of The Earth and How Earth Changes

The Earth’s internal structure consists of four main layers: the crust, the mantle, the outer core, and the inner core. The crust is the thin, outermost layer that makes up the Earth’s solid surface. Beneath the crust lies the mantle, a thick, viscous layer that reaches down to the outer core. The outer core is a liquid layer composed of molten iron and nickel, responsible for generating Earth’s magnetic field. At the center is the inner core, a solid layer primarily made of iron and nickel. Each of these layers has unique chemical compositions and physical properties that influence life on Earth’s surface.

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