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Plate Tectonics
Earth LayersErica Lockwood, Charlie HaffeyNorwood Public Schools2015Layers videohttp://youtu.be/YxGgkF582rI?t=20s
The Layers Of The Earth
8,000 miles diameterHeight24,000 miles circumferenceAll the way aroundThe EarthCrust 20 miles thick under continentsThinner under oceans
The Layers Of The EarthMantle Below crustHot, semi-solid rock
The Layers Of The EarthOuter CoreBelow mantleExtremely hot, liquid rockMade of metal (iron and nickel)
The Layers Of The EarthInner CoreCenter Of The EarthExtremely hot, solid rockMade of metal (iron and nickel)
The Layers Of The Earth8
http://geo.rhul.ac.uk/text/x_earth.gifEarth LayersErica Lockwood, Charlie HaffeyNorwood Public Schools2015
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