The internal structure of the earth

What are the characteristics of the Core?

Composes of mainly iron and nickel alloy. The Core is the sorce of earth's internal heat.

What are the characteristics of the Mantle?

Composes of mainly olivine-rich rock. Has different temperature at different depths.

What are the internal structures of the earth?

Crust. Upper Mantle. Mantle. Outer Core. And Inner Core.

What is the boundary between the earth's crust and mantle called?

Moho Discontinuity

What are the 2 parts of earth's crust?

Oceanic Crust and Continental Crust

What is the upper part of the mantle called?

The asthenosphere

What is plate margin?

The edges of plates where two plates are either moving apart, colliding or sliding past one another.

Describe the Inner Core

The inner core is a solid state though the temperature is higger than the outer core.

Describe the Outer Core

The outter core is in a liquid state because of high temperatures.

Describe the Oceanic Crust.

Thin; 3-4 miles(5-7km). Made mostly of Basalt. It underlies ocean basins.

What os the Mantle (definition)

a zone of molten silicates and other minerals.

Describe the Continental Crust

thick 20-30 miles(30-50km)