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The Theory of Plate Tectonics

Dive into the theory of plate tectonics, exploring the Earth's layers, lithosphere, asthenosphere, plate movements, and boundary types. Learn how tectonic plates interact through convergence, divergence, and transform boundaries.

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The Theory of Plate Tectonics

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  1. The Theory of Plate Tectonics By: Geo T.

  2. Plate Tectonics • The outermost part of the Earth is made of two layers • Lithosphere – the crust and mantle • Asthenosphere – the viscous part of the mantle

  3. Plate Tectonics Cont. • The Lithosphere floats on the Asthenosphere. • The Lithosphere is broken up into tectonic plates.

  4. The Plates * Hover over for names

  5. Movement • The plates move in relation to each other and form three different types of plate boundaries: • Convergent • Divergent • Transform

  6. Convergent • Occurs when plates collide. There are three types.

  7. Divergent • Occur when to plates are moving apart and new crust is created by magma pushing up from the Earth’s mantle

  8. Transform • Occurs where plates grind past each other

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