Structure of the Earth Labeled Diagram
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Structure of the Earth Teacher Guide
By Oliver Smith
The layers beneath the Earth's surface all vary, each with its own properties. As students learn about the layers of the Earth, they'll be able to understand how things like volcanoes are formed and have a solid foundation for other Earth sciences!
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Storyboard Description
Structure of the Earth Diagram - crust mantle inner core outer core
Storyboard Text
- CRUST The crust is a solid layer of rock on the surface of the planet. The thickness varies between 3 and 30 miles.
- MANTLE The mantle is a semi-liquid layer of magma, or molten rock, that moves due to convection currents.
- OUTER CORE The liquid part of the core which has a similar composition to the inner core.
- INNER CORE The inner core is the solid part at the center of the Earth. It is made of iron and nickel and has temperatures reaching 5,500°C.
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