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BIG QUESTIONS How do Geologists Learn about Earths interior?? What are the features of Earths Crust, Mantle, and Core??

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Presentation on theme: "BIG QUESTIONS How do Geologists Learn about Earths interior?? What are the features of Earths Crust, Mantle, and Core??"— Presentation transcript:

1 BIG QUESTIONS How do Geologists Learn about Earths interior?? What are the features of Earths Crust, Mantle, and Core??

2 Direct: from Rock Samples Drills km Volcanoes- 100 km Labs- recreated layers and force Indirect: from Seismic Waves Produced by earthquakes Study how they travel through Earths interior

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4 Solid Rock that includes both dry land and the ocean floor Ocean Crust: Basalt Continental Crust: Granite

5 Lithosphere Uppermost part of Mantle Similar to crust in composition and texture Asthenosphere Below lithosphere Higher pressure Bends but doesnt break

6 Inner Core Dense ball of solid metal Extreme temp. and pressure Outer Core Molten metal surrounding inner core

7 BIG QUESTIONS Try Them Now! How do Geologists Learn about Earths interior?? What are the features of Earths Crust, Mantle, and Core??


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