| A | B |
|---|
| FAULT BOUNDRY | AREA WHERE TWO PLATES ARE MOVING PAST EACH OTHER |
| COLLIDING BOUNDRY | AREA WHERE TWO PLATES MOVE TOWARD EACH OTHER |
| AQUIFER | AREA WHERE A LAYER OF ROCK ALLOWS GROUND WATER TO FLOW FREELY |
| CRUST | OUTER MOST LAYER OF THE EARTH, ROCKY AND RIGID AND MADE UP OF BASALT AND GRANITE |
| MANTLE | WHERE MAGMA FLOWS FREELY |
| INNER CORE | HOTTEST LAYER OF THE EARTH IS SOLID |
| OUTER CORE | LIQUID LAYER OF NICKLE AND IRON |
| HYDROSPHERE | MAKES UP 70% OF THE EARTH |
| PLATE TECHTONICS | THEORY THAT THE EARTH IS BROKEN UP INTO PLATES THAT MOVE |
| WEATHERING | GROUP OF PROCESSES THAT BREAK ROCK DOWN INTO SMALLER PIECES |
| EROSION | FORMS OF MOVING WATER |
| SPREADING BOUNDARY | AREA WHERE TWO PLATES ARE MOVING AWAY FROM EACH OTHER |
| WATER TABLE | TOP LEVEL OF AN AQUIFER |
