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PRESENTATION OUTLINE
PLATE TECTONICS
A PART OF THE LITHOSPHERE THAT MOVES DUE TO CONVECTION CURRENTS.
CONVECTION CURRENTS
TRANSFER OF HEAT THROUGH A FLUID TO ANOTHER.
SLAB PULL
WHEN THE PLATE GETS PULLED BY GRAVITY AND SINKS INTO THE TRENCH.
RIDGE PUSH
RIDGE PUSH IS WHEN NEW CRUST PUSHES OLD CRUST
DIVERGENT PLATE BOUNDARIES
WHEN THE PLATES MOVE HORIZONTAL AWAY FROM EACH OTHER.
ON LAND DIVERGENT PLATE BOUNDARIES FORM A RIFT VALLEY
ON LAND DIVERGENT PLATE BOUNDARIES FORM THE MID OCEAN RIDGE
CONVERGENT PLATE BOUNDARIE
WHEN TWO PLATES COLLIDE TOGETHER HORIZONTALLY.
WHEN THE OCEAN AND CONTINENTAL CRUST CONVERGE THEY FORM VOLCANIC ARCS LIKE MT. ST. HELENS
WHEN THE OCEAN AND OCEAN CRUST CONVERGE THEY FORM ISLAND ARCS LIKE JAPAN
WHEN CONTINENTAL CRUST CONVERGES WITH CONTINENTAL CRUST THEY FORM MOUNTAINS LIKE THE HIMALAYANS.
SUBDUCTION
WHEN PLATES SINK BELOW EACH OTHER INTO THE MANTLE.
DEEP OCEAN TRENCH
A DEEP OCEAN TRENCH IS AN OCEAN VALLEY THAT LEADS TO THE MANTLE. THIS PICTURE IS AN EXAMPLE OF ONE IN THE BAHAMAS.
TRANSFORM BOUNDARIE
WHEN 1PLATE SLIDES UNDERNEATH THE OTHER VERTICALLY TWORDS THE MANTLE
