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Earth's Layers

 

SPI 0707.7.4  Differentiate among the characteristics of the earth’s three layers.

 

 

Click on the link below to see the PowerPoint we use in class.

Layers of the Earth Video

 

Click on the picture to watch a video on the layers of the Earth. This is a fun video made by students at MIT.  It is fun but also educational.

 

The Earth is approximately 4,000 miles from the center to its surface, but what makes up those miles of earth? Let's take a journey inside.

The Earth's Inside

 

Click on the picture to go to a website that will tell you all about the inside of the Earth. There is a lot of great information about all four layers of the Earth; crust, mantle, outer core and inner core.

 

Thanks to earthquakes, the seimic waves they give off and the instruments used to gather data about such events, we now know the chemical composition , temperature, density and depth of the layer's of the Earth's inside.

Earth's Structure

 

Click on the picture to go to an interactive website about the Earth's structure.  As you roll your mouse over the various layers, you will learn about each of them.  They are:

 

  • Crust

  • Lithosphere

  • Asthenosphere

  • Mantle

  • Outer Core

  • Inner Core

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