| A | B |
|---|
| LITHOSPHERE | THE SOLID ROCKY OUTER LAYER OF THE EARTH THAT INCLUDES THE CRUST |
| PLATE TECTONICS | THEORY THAT STATES THAT THE LITHOSPHERE IS BROKEN INTO PLATES THAT MOVE |
| FAULT | A CRACK IN THE EARTH'S CRUST ALONG WHICH ROCK MOVES |
| FOCUS | THE POINT ALONG A FAULT WHERE ROCK FIRST BREAKS OR MOVES, CAUSING AN EARTHQUAKE |
| SEISMOGRAPH | INSTRUMENT THAT RECORDS THE STRENGTHS OF THE EARTH'S MOVEMENTS BASED ON THE AMOUNT OF ENERGY RELEASED |
| RICHTER SCALE | A SCALE USED TO COMPARE THE STRENGTHS OF EARTHQUAKES |
| WEATHERING | GROUP OF PROCESSES THAT BREAK ROCKS INTO SMALLER PIECES[P |
| DRAINAGE BASIN | THE LAND AREA FROM WHICH A RIVER SYSTEM GETS ITS WATER |
| SEDIMENT | ROCK AND SOIL CARRIED BY WATER |
| GROUNDWATER | WATER IN THE GROUND NEAR THE EARTH'S SURFACE |
| AQUIFER | A LAYER OF ROCK IN WHICH GROUND WATER CAN ACCUMULATE AND FLOW FREELY |
| WATER TABLE | THE TOP OF AN AQUIFER |
| GLACIER | A LARGE MASS OF MOVING ICE |
| MORAINE | A RIDGE FORMED WHEN A GLACIER DEPOSITS ITS SEDIMENTS |
| INDEX FOSSIL | A FOSSIL OF AN ORGANISM THAT EXISTED ON EARTH FOR A SHORT TIME OVER A LARGE GEOGRAPHIC AREA |
| GEOLOGIC TIME SCALE | A RECORD OF EARTH'S HISTORY BASED ON EVENTS INTERPRETED FROM THE ROCK RECORD AND FOSSIL EVIDENCE |
