A PART OF THE LITHOSPHERE THAT SLOWLY MOVES.

THE TRANSFER OF HEAT WITHIN A FLUID.

THE PULL OF GRAVITY ON A PLATE THAT IS BEING SUBDUCTED.

NEW LESS DENSE CRUST FORMING AT DIVERGENT PLATE BOUNDARIES.

TWO TECTONIC PLATES THAT ARE MOVING AWAY FROM EACH OTHER.

A FEATURE FORMED WHEN DIVERGENT BOUNDARIES OCCUR.

A RIDGE IN THE MIDDLE OF AN OCEAN THAT IS FORMED BY A DIVERGENT PLATE BOUNDARY

WHEN TWO TECTONIC PLATES COLLIDE.

A CHAIN OF VOLCANOES FORMED ABOVE A SUBDUCTING PLATE. CONVERGENT BOUNDARY.

SITUATED PARALLEL AND CLOSE TO A BOUNDARY BETWEEN TWO CONVERGING TECTONIC PLATES.

A LINE OF MOUNTAINS CONNECTED BY HIGH GROUND. CONVERGENT BOUNDARY.

THE PIECES OF CRUST THAT SLOWLY MOVE ACROSS THE SURFACE.

A SMALL, STEEP CANYON IN AN OCEAN.

MARIANA TRENCH

WHEN TWO PLATES COLLIDE AGAINST EACHOTHER.

A SUDDEN AND VIOLENT SHAKING OF THE GROUND.

SAN ANDREAS FAULT