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Unraveling Earth's Layers: Moho Discontinuity & Continental Drift Theory

Explore the Earth's structure from Moho Discontinuity to lithosphere movement with Alfred Wegener's Theory of Continental Drift. Discover how continents fit like a puzzle and delve into seafloor spreading phenomena. Utilize graphic organizers and maps to grasp essential concepts. Time travel through geological times and understand Earth's dynamic history.

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Unraveling Earth's Layers: Moho Discontinuity & Continental Drift Theory

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  1. Daily Work • The Moho Discontinuity separates which two layers of the Earth? • Which layer of Earth is the thinnest? • The inner core is made from solid ______ which might create our gravitational field. • According to your vocabulary, which layer of the earth do the plates slide around on? • What are the two types of crust found in the lithosphere?

  2. Why did Alfred Wegener propose the Theory of Continental Drift? Theory of Continental Drift or “Pangaea” 7.7.5 and 7.7.3

  3. Why did Alfred Wegener propose the Theory of Continental Drift? Continents fit together like a puzzle. Theory of Continental Drift or “Pangaea” Matching fossils found on continental coasts oceans apart. Clues of major climate Changes across the globe. Ex. Matching glacial striations Similar rock structures found where continents would have been connected. 7.7.5 and 7.7.3

  4. Pangaea

  5. Lab: Seafloor Spreading Rate Bonus opportunity!

  6. Summarize Use your Graphic Organizer and map of Pangaea to construct support to answer the “Essential Question”. Why did Alfred Wegener propose the Theory of Continental Drift?

  7. Timetracker Science: Read pages 300-306. Do WB pgs 95 and 96

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