How We Know About the Earth's Core

The big question is, how do we know about the composition of the earth's core? Sal explains that at 105 degrees from the source point of an earthquake the phenomena of p wave shadow zone leads us to conclude that the waves are traveling through different densities and types of material. The mantle, the crust, and the core of our planet are discussed.

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Resource Details

Grade
8th - 11th
Subjects
Science
2 more...
Resource Types
Videos
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Instructional Strategy
Flipped Classroom
Usage Permissions
Creative Commons
BY-NC-SA: 3.0
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