Theory of Plate Tectonics

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Presentation transcript:

Theory of Plate Tectonics Section 1.5

Theory of Plate Tectonics (NOT continental drift which is an hypothesis) Explains the Formation, Movement, and Subduction of Earth’s plates.

Plates Scientists noticed that the continental crust is broken into pieces just like the ocean floor. They called these pieces PLATES https://www.youtube.com/watch?v=Mkm-vqkOyUM Mr. Parr

Plate Movement There are 3 ways plates move at their edges 1. Convergent boundary. Two plates move toward each other

Plate Movement There are 3 ways plates move at their edges 2. Divergent boundary. Two plates move away from each other like mid-ocean ridges under water= mid-ocean ridge on land = rift valley

Plate Movement There are 3 ways plates move at their edges 3. Transform boundary. Two plates move past each other with no change in altitude

Plate Boundaries Divergent boundary Convergent boundary Transform boundary Mr. Comford’s Rap 2:33

Plate Motion over Time

Video 2:30 Video :56

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