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Exploring Earth's Layers: Density, Composition, and Seismic Insights

This educational resource delves into the layers of the Earth—crust, mantle, outer core, and inner core—analyzing how density influences their structure. It explores the materials representing Earth's core based on density, such as nickel and aluminum. The document discusses the methods scientists use to study the Earth's interior, including the Kola Superdeep Borehole and seismic wave analysis. Additionally, it examines evidence of metallic elements in Earth’s interior and how meteorites provide insights into the planet’s composition, highlighting the accuracy and limitations of these models.

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Exploring Earth's Layers: Density, Composition, and Seismic Insights

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Presentation Transcript

  1. 2:2Analyzing how density affects earth’s structure

  2. Name the layers of the earth. a. b. c. d. e.

  3. What causes earth’s layers? Based on density , which of these materials would best represent the Earth’s core? Cotton 0.2 g/ml Glue 1.0 g/mL Clay 1.8 g/mL Aluminum foil 2.4 g/mL A Nickel 4.6 g/mL

  4. What do scientists use to learn about the earth’s interior?

  5. Kola Super deep 7.5 miles deep

  6. How do seismic waves tell us about the earth’s interior?

  7. What evidence do scientists use as proof that earth’s interior contains metal? Iron and Nickel are both magnetic

  8. What do meteorites tell us about earth’s interior?

  9. What makes these models accurate and inaccurate?

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