Sci 2-earth and magnets

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OTTO MIDDLE SCHOOL

LANSING SCHOOL DISRICT

Otto Middle SchoolMr. Manzella’s Science

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Journey to the Center of the Earth!


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• What do we know about the center of the earth?

• Is it hot or cold? • Can we climb down there?

Into the Core


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• Is it hot or cold?

• Can we climb down there?

• Should we?

Hotter than Summer in a Sauna


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Hotter than Summer in a Sauna


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Definitions


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• Crust – the surface of the earth. This includes the ocean floor. It is between 60 and 100 miles thick.

• Mantle – The layer below the earth’s crust. Its temperature varies from 1,800 to 6,200 degrees Fahrenheit. It is more than 1,800 miles thick, and is comprised of Iron, Aluminum, Selenium, and other elements.

Definitions


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• Outer Core – 6,000 and 8,000 degrees Fahrenheit. Mostly liquid Iron and Sulfur.

• Inner Core – More than 8,000 degrees, made of mostly solid Iron.

The Core


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• Made of Iron – Why is it solid?

Magnetism!


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Magnetism


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Magnetism


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Business

Sci 2-earth and magnets