Earth’s Inner Structure

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Presentation transcript:

Earth’s Inner Structure

What are the four layers of the Earth? Crust/ Lithosphere Mantle Outer Core Inner Core

Crust Surface of the Earth Part of the Lithosphere Temperature ranges from air temp to 1600 F Two types of plates Continental - granite Oceanic - basalt

Tectonic Plates

Mantle Largest layer, 1800 miles thick Temperature ranges from 1600 to 4000 F Temperature change causes the magma to convect/move

Outer Core 1400 miles thick Made of liquid iron and nickel Temperatures ranges from 4000 to 9000 F

Inner Core 800 miles thick Temperature is 9000 F Solid ball of Iron and Nickel Under extreme pressure to keep ball solid Magnetized