Hi today we are going to talk about plate tectonics.plate tectonics is the theory that the earth is broken up into sections. The earth is broken up into 16 plates.Every year they move 1-12 cm.Each plate is ether a Continental plate and oceanic plate.The biggest plate is the pacific plate.The smallest is the Juan De fuca.
The plates move in three different ways.Convergent or to come together, divergent or to go opposite directions, and transform or slide past each other.When they move 3 things can happen.Either a mountain,trench, or earthquake.Most happen around the pacific plate.
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