| A | B |
|---|
| WEATHERING | IS THE BREAK-UP OF ROCK DUE TO EXPOSURE TO THE ATMOSPHERE. |
| EROSION | IS THE REMOVAL AND TRANSPORT OF EARTH MATERIALS BY NATURAL AGENTS. |
| MECHANICAL WEATHERING | DISINTEGRATION, TAKES PLACE WHEN ROCK IS SPLIT OR BROKEN INTO SMALLER PIECES OF THE SAME MATERIAL WITHOUT CHANGING ITS'S COMPOSITION. |
| CHEMICAL WEATHERING | DECOMPOSITION, TAKES PLACE WHEN THE ROCK'S MINERALS ARE CHANGED INTO DIFFERENT SUBSTANCES. |
| ICE WEDGING OR FROST ACTION | THE FORCE OF FREEZING WATER IN THE CRACKS OF ROCKS. |
| EXFOLIATION | THE PEELING OF SURFACE LAYERS. |
| HYDROLYSIS | THE CHEMICAL REACTIION OF WATER WITH OTHER SUBSTANCES. |
| OXIDATION | CHEMICAL REACTION OF OXYGEN WITH OTHER SUBSTANCES. |
| CARBONIC ACID | WHEN CARBON DIOXIDE DISSOLVES EASILY IN WATER, WHEN IT DOES IT FORMES A WEAK ACID. |
| SOIL | LOOSE, WEATHERED ROCK AND ORGANIC MATERIAL IN WHICH PLANTS WITH ROOTS CAN GROW. |
| PARENT MATERIAL | MATERIAL FROM WHICH A SOIL IS FORMED. |
| RESIDUAL SOIL | SOIL THAT HAS BEDROCK AS ITS PARENT MATERIAL. |
| TRANSPORTED SOILS | DEPOSITS LEFT BY WINDS, RIVERS, AND GLACIERS HAVE COVERED OVER THE BEDROCK. |
| SOIL PROFILE | THE CROSS SECTION OF EARTH EXPOSED BY THE DIGGING. |
| TOPSOIL | A-HORIZON,COLOR IS GENERALLY GRAY TO BLACK, TENDS TO BE DARKER BECAUSE IT HAS ORGANIC MATERIAL. |
| SUBSOIL | B-HORIZON,CONTAINS MAORE CLAY. |
| MASS MOVEMENT | MOVEMENTS OF LOOSE EARTH MATERIAL DOWN A SLOPE. |
| CREEP | A SLOW, IMPERCEPTIBLE DOWNSLOPE MOVEMENT OF THE SOIL. |
| LANDSLIDE | SUDDEN MOVEMENT OF A MASS OF BEDROCK OR LOOSE ROCK DOWN THE SLOPE OF A HILL, MOUNTAIN, OR CLIFF. |
| MUDFLOW | RAPID MOVEMENT OF A WATER-SATURATED MASS OF CLAY AND SILT |
| SOIL EROSION | THE REMOVAL OF TOPSOIL BY THE ACTION OF RUNNING WATER OR WIND. |
