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Earth's interior is broadly grouped into three main layers on the basis of chemical composition: crust, mantle, and core. An egg analogy is used to show relative thicknesses, and a Big Hunk analogy illustrates how a material of a single composition can be either brittle or ductile depending on temperature. [6:20]
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- Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
- The intended use for this resource is Instructional