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Tuesday, February 09, 2016 Objective: YWBAT recognize and describe the layers of the Earth. Drill: The composition of the core is probably similar throughout. Why, then, is part of the core liquid and the rest solid? Homework Study WOW
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Answer The inner core is extremely hot but the high pressure keeps the material in a solid state. The outer core has less pressure so the iron can stay in a liquid state.
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Did you know…? The deepest hole ever drilled was 12,226 feet deep. It was difficult to drill deeper because liquid rock filled the hole.
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Today’s Activities Drill Journey to the Center of the Earth – Add Physical Layers of the Earth and facts Conclusion
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Closure True or False: The asthenosphere is a layer of slowly flowing rock beneath the lithosphere.
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Closure Answer True
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