What happens at plate boundaries (stays at plate boundaries).

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Presentation transcript:

What happens at plate boundaries (stays at plate boundaries). Internal Forces What happens at plate boundaries (stays at plate boundaries).

Plate Boundaries Frequently one of three things occur. Mountain ranges. Caused as rock layers are pushed together & up.

Plate Boundaries Volcanoes form when magma breaks through the earth’s crust. Once on the surface, magma is called lava.

Plate Boundaries Earthquakes- sudden, violent movements along faults. Fault- a break in the earth’s crust.

Ring of Fire A circle of volcanoes & earthquake zones that surround the Pacific Ocean.

Hot Spots Regions within the mantle with rising plumes of magma Produces geysers, hot springs & volcanic island chains. Example: Hawaii, Yellowstone.