The Earth's Layers - Laurel County

The Earth's Layers - Laurel County

The Earths Layers Objective: The learner will be able to identify characteristics of

the Earth's layers. In this activity you will: Learn about the earths layers. At the end of this lesson you

will write a report about the layers of the Earth using 4 facts you learned. The Earth is divided into three layers.

Crust The crust is the layer that you live on so it is the most widely studied and understood.

Crust The crust is made of the lightest matter and the core consists of heavy metals

Crust The Earth's Crust is like the skin of an apple. It is very thin in comparison to the other three layers.

Crust The crust of the Earth is broken into many pieces called plates. The plates move along the soft mantle

which is the layer located located below the crust. Crust The plates move along smoothly but sometimes they get stuck and

pressure builds up. Crust The pressure builds and causes an Earthquake as rocks break and crack.

San Francisco City Hall after the 1906 Earthquake. (from Steinbrugge Collection of the UC Berkeley Earthquake Engineering Research Center) Mantle

The mantle is the largest layer of the Earth. It is made of hot, dense rock. The rock in the mantle flows like asphalt because of the temperature differences found in the mantle.

Mantle The movement of the mantle create the movement of

the Earths plates. Core The core of the Earth is much like a ball of very

hot metals. The inner core is surrounded by a fluid iron outer core. Core

Resources Enchanted Learnings Earth The Earths Layers Writing Activity

Write a paragraph about the earths layers. Include 4 facts from this presentation.

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