Plate Tectonics Evolution of the Earth.

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Theory of Plate Tectonics

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Presentation transcript:

Plate Tectonics Evolution of the Earth

Interior

Tectonic Plates

Tectonic Plates Volcanoes

Tectonic Plates

Tectonic Plates

Plate Boundaries Convergent – plates move toward one another Divergent – plates move away from each other Transform – plate moves sideways from each other

Plate Boundaries

Convergent Plates The only subduction zone in the Atlantic

Divergent Plates

Transform Plates San Andreas Fault

Review Questions Which type of geological activity occurs all the time at plate boundaries? Transformation Volcanic activity Earthquakes Both b. and c.

Review Questions Which type of geological activity occurs all the time at plate boundaries? Transformation Volcanic activity D Earthquakes Both b. and c.

Review Questions 2. Which type of geological activity is associated with convergent plate boundaries? Subduction zones Volcanic activity Oceanic ridges Both b. and c.

Review Questions 2. Which type of geological activity is associated with convergent plate boundaries? Subduction zones Volcanic activity A Oceanic ridges Both b. and c.

Review Questions 3. Which type of geological activity is associated with divergent plate boundaries? Subduction zones Volcanic activity Oceanic ridges Both b. and c.

Review Questions 3. Which type of geological activity is associated with divergent plate boundaries? Subduction zones Volcanic activity C Oceanic ridges Both b. and c.

Review Questions 4. What type of movement in the earth’s mantle causes oceanic ridges and subduction zones? Transformation Convection currents Subduction currents Both b. and c.

Review Questions 4. What type of movement in the earth’s mantle causes oceanic ridges and subduction zones? Transformation Convection currents B Subduction currents Both b. and c.