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Earth’s Plate Boundaries Tectonic cycle: Involves creation and destruction of the solid outer layer of Earth, the lithosphere # of Plates? Active Areas?

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Presentation on theme: "Earth’s Plate Boundaries Tectonic cycle: Involves creation and destruction of the solid outer layer of Earth, the lithosphere # of Plates? Active Areas?"— Presentation transcript:

1 Earth’s Plate Boundaries Tectonic cycle: Involves creation and destruction of the solid outer layer of Earth, the lithosphere # of Plates? Active Areas? Speed of Movement?

2 Tectonic Cycle: Plate Boundaries 1. Divergent plate boundary: Plates moving apart New lithosphere is produced (seafloor spreading) 2. Convergent plate boundary: Plates Colliding Produces linear coastal mountain ranges or continental mountain ranges 3. Transform fault boundary: Plates sliding past one another San Andreas Fault in California Tectonics Explained: https://www.youtube.com/watch?v=0mWQs1_L3fA https://www.youtube.com/watch?v=0mWQs1_L3fA

3 Internal Planetary Processes Plate boundaries

4 Internal Planetary Processes Plate boundaries

5 Internal Planetary Processes Most volcanoes occur along subduction zones

6 Hot Spots Hawaii’s Hot Spot: https://www.youtube.com/watch?v=bYv6V5 EJAKc https://www.youtube.com/watch?v=bYv6V5 EJAKc

7 Volcanic Activity 2011

8 Volcanoes Some occur along spreading zones Few, such as Hawaiian Islands, not associated with plates.

9 Earthquakes Caused by release of built up stress, typically along faults. Plate movement releases seismic waves Side effects include: 1.Landslides 2.Tsunamis 3. After Shocks

10 Add Mt. St. Helens


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