Layers of the Earth

Layers of the Earth

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  • Today we are going to be digging to the center of the Earth!
  • The crust is the outer most layer of the Earth. There are two types of crust, Continental and Oceanic. The thinnest layer range from 5  kilometers to 50 kilometers thick in  some locations. It is a solid layer where life exists, and it is composed of mainly oxygen, silicon, and aluminum.
  • First we will be digging at the crust of the earth which is simple
  • The Mantle  is the Thickest layer, it is about 2,900 kilometers thick, it is semi- solid, molten rock. The temperature ranges from 500 to 4,000 degrees Celsius in different locations. The mantle makes up of nearly 2/3 of the Earth's mass.
  • Now we have entered the Mantle, this layer is gonna be a little bit harder to dig through, and it is very hot.
  • The outer core surrounds the inner core, it is about 2,300 kilometers thick. It is liquid, and it is composed of mainly molten iron and nickel. The temperature ranges from 4,000 to 5,000 degrees Celsius. 
  • I know you may be thinking how are you still a live, but you don't have to worry about that because I am a robot that was designed for stuff like this.
  • The Outer Core
  • The inner core is the inner most layer of the earth, it is estimated to be about 1,250 km thick. The temperature is nearly 6,000 degrees Celsius, and that is the same as the surface on the sun. It is solid due to extreme pressure, and it is composed of iron.
  • The Inner Core
  • This is the last layer of the earth, the inner core.
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