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Crust, Mantle, Outer Core, and Inner Core
Transcript of Crust, Mantle, Outer Core, and Inner Core
Learn Earth's layers
- The Earths crust is the outermost layer of our planet and is less than 1% of the Earth's volume.
- The thickness of Earth's crust is 5-100 km thick
- Also, Earth's state of matter is a solid.
- The composition of Earth's crust is mostly igneous rock.
- A layer in the interior of Earth.
-The thickness of Earth's mantle is 2,900 km thick.
- The mantle's state of matter is Solid.
-The composition of Earth's mantle is molten/solid rock (magma).
- The Outer Core is the second to last layer of the Earth. It is a magma like liquid layer that surrounds the Inner Core and creates Earth's magnetic field.
- It's thickness is 1,230 km thick.
- It's composition is Iron and Liquid.
- Earth's inner core is Earth's innermost part and is a primarily solid ball with a radius of about 1,220 km (760 mi)
- It's composition is also made of Iron and Nickel.
- It's state of matter is Solid.