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6 Sci Plate Tectonic

6th Grade Science Plate Tectonics Vocabulary

QuestionAnswer
CONTINENTAL DRIFT HYPOTHESIS THAT THE CONTINENTS HAVE MOVED SLOWLY TO THEIR CURRENT LOCATIONS.
PANGAEA ALL THE CONTINENTS CONNECTED AS ONE LARGE LANDMASS THAT BROKE APART 200 MILLION YEARS AGO
MID-OCEAN RIDGE UNDERWATER MOUNTAIN CHAIN WHERE NEW OCEAN FLOOR FORMS
SEAFLOOR SPREADING MAGMA BELOW EARTH'S CRUST IS FORCED UPWARD TOWARD THE SURFACE, FLOWS SIDEWAYS, CARRYING THE SEAFLOOR AWAY IN BOTH DIRECTIONS, MAKING NEW SEAFLOOR.
MAGNETIC REVERSAL WHEN THE MAGNETIC FORCES IN THE EARTH RUN THE OPPOSITE DIRECTION.
CRUST THINNEST, OUTERMOST LAYER OF THE EARTH
MANTLE LARGEST LAYER OF THE EARTH, BELOW THE CRUST
OUTER CORE LIQUID LAYER OF THE EARTH BELOW THE MANTLE
INNER CORE SOLID, DENSE, CENTER LAYER OF THE EARTH
PLATES SECTIONS OF EARTH'S CRUST AND UPPER MANTLE THAT MOVE AROUND ON THE ASTHENOSPHERE
LITHOSPHERE BOTH OCEANIC AND CONTINENTAL CRUST, AND THE RIGID UPPER MANTLE
ASTHENOSPHERE PLASTIC-LIKE LAYER OF THE EARTH THAT THE LITHOSPHERE MOVES AROUND ON
PLATE TECTONICS THEORY THAT THE EARTH'S CRUST AND UPPER MANTLE ARE BROKEN INTO SECTIONS CALLED PLATES.
DIVERGENT BOUNDARY BOUNDARY BETWEEN TWO PLATES THAT ARE MOVING APART.
CONVERGENT BOUNDARY BOUNDARY BETWEEN TWO PLATES THAT COLLIDE.
SUBDUCTION ZONE AREA WHERE AN OCEANIC PLATE IS PUSHED DOWN INTO THE UPPER MANTLE.
TRANSFORM BOUNDARY BOUNDARY BETWEEN TWO PLATES THAT SLIDE PAST EACH OTHER.
CONVECTION CURRENT CYCLE OF HEAT RISING AND COOL AIR SINKING.
Created by: smurray817
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