Layers of the Earth
100
Hard, rocky layer that forms the Earth's surface.
What is the crust?
200
This layer is more than two thousand miles thick, it is the thickest layer.
What is mantle?
300
This layer has two parts. *hint: inner and outer*
What is the core?
400
The layer with the coolest temperature.
What is the crust?
500
This solid layer is made up of iron and nickle.
What is the inner core?
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