| A | B |
| ABSOLUTE LOCATION | EXACT POSITION OF A PLACE ON THE EARTH, DESCRIBED BY GLOBAL COORDINATES |
| BASIN | AREA OF LAND DRAINED BY A GIVEN RIVER AND ITS BRANCHES, AREA OF LAND SURROUNDED BY LANDS OF HIGHER ELEVATIONS |
| BAY | PART OF A LARGE BODY OF WATER THAT EXTENDS INTO A COASTLINE |
| CANYON | DEEP AND NARROW VALLEY WITH STEEP WALLS |
| CAPE | POINT OF LAND SURROUNDED BY A BODY OF WATER |
| CHANNEL | DEEP, NARROW BODY OF WATER THAT CONNECTS TWO LARGER BODIE OF WATER, SDEEP PART OF A RIVER OR OTHERE WATERWAY |
| CLIFF | STEEP, HIGH WALL OF ROCK, EARTH OR ICE |
| CONTINENT | ONE OF THE SEVEN LARGE LAND MASSES ON THE EARTH |
| CULTUAL FEATURE | CHARACTERISTIC THAT HUMANS HAVE CREATED IN A PLACE, SUCH AS LANGUAGE, RELIGION, AND HISTORY |
| DELTA | LAND BUILT UP FROM SOIL CARRIED DOWNSTREAM BY A RIVER AND DEPOSITED AT ITS MOUTH |
| DIVIDE | STRETCH OF HIGH LAND THAT SEPARATES RIVER BASINS |
| DOWNSTREAM | DIRECTION IN WHICH A RIVER OR STREAM FLOWS FROM ITS SOURCE TO ITS MOUTH |
| ELEVATION | HEIGHT OF LAND ABOVE SEA LEVEL |
| EQUATOR | IMAGINARY LINE THAT RUNS AROUND THE EARTH HALFWAY BETWEEN THE NRTH AND SOURTH POLES, USED AS THE STARTING POINT TO MEASURE DEGREES OF NORTH AND SOUTH LATITUDE |
| GLACIER | LARGE, THICK BODY OF SLOWLY MOVING ICE, FOUND IN MOUNTAINS AND POLAR REGIONS |
| GLOBE | SPHERE-SHAPED MODEL OF THE EARTH |
| GULF | PART OF A LARGE BODY OF WATER THAT EXTENDS INTO A SHORELINE, LARGER THAN A BAY |
| HARBOR | A SHELTERED PLACE ALONG A SHORELINE WHERE SHIPS CAN ANCHOR SAFELY |
| HIGHLAND | ELEVATED LAND AREA SUCH AS A HILL, MOUNTAIN, OR PLATEAU |
| HILL | ELEVATED LAND WITH SLOPING SIDES, SMALLER THAN A MOUNTAIN |