The first step toward learning about plate tectonics is to learn about the Earth's interior structure. This lesson should address both of these topics. This activity is designed for one 1-hour ...

This donut-like structure runs parallel to the equator ... By comparing their results to different models of the Earth's interior, Professor Tkalčić and Dr Ma found that this was best explained ...

Deep within Earth’s mantle lie two enormous, continent-sized structures known as LLVPs. Scientists once believed these ...

The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

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∎ Earth's interior is cooling faster than previously estimated, prompting questions about how long people can live on the planet. ∎ The structure of Earth's core could be unlike any other ...

In addition, students discuss how scientists use earthquake waves to investigate the interior structure of the Earth. This activity is designed for one 1-hour class period. 1. Ask a student to ...