Earth’s Structure Lesson 58.

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Presentation transcript:

Earth’s Structure Lesson 58

Activator Complete Beneath our Feet worksheet Work independently for 10 minutes

Layers of the Earth CRUST --The thin, outermost layer of the earth is called the crust. Only one percent of the earth's mass. Consists of the continents and ocean basins.

Layers of the Earth MANTLE -- The mantle is a dense, hot layer of semi-solid rock approximately 2,900 km thick and is composed mainly of ferro-magnesium silicates. Where most of the internal heat of the Earth is located.

Layers of the Earth OUTER CORE - A 2,200 km-thick liquid The outer core is made of iron and is very dense. As the Earth rotates, the liquid outer core spins, creating the Earth's magnetic field. INNER CORE - A 1,250 km-thick solid inner core that is made of solid iron and nickel.

Classwork Label Earth’s Layers Pangea Brain Break https://www.youtube.com/watch?v=rVAeaIafIxA Find the hidden image