Earth's Layers
11th Grade · Science · 45 min
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Learning Objective
I can describe the distinct characteristics of Earth's structural layers.
- 1
The four main layers of the Earth are the crust, mantle, outer core, and inner core.
- 2
The mantle is the thickest layer of the Earth, while the crust is the thinnest.
- 3
Extreme heat and pressure make it very challenging to explore Earth's inner layers directly.
