| Definition | Term |
|---|
| Basinlike depression resulting from a collapsed volcano | |
| Bowl-shaped depression formed by a meteoroid hitting the surface | |
| Narrow body of water connecting two larger bodies | |
| An elevated and generally level region | |
| A series of minor steplike waterfalls | |
| A long, narrow inlet beset by steep cliffs | |
| The mountainous divide separating river systems; determines which side of the land the rivers flow to | |
| An undrained natural depression, where evaporation leaves behind salt and other mineral deposits | |
| Large mass of ice found on land | |
| Narrow strip of land, bordered by water on both sides, connecting two larger landmasses | |
| | Definition | Term |
|---|
| A small, low island made mostly of sand or coral | |
| A high ridge of land jutting into a body of water | |
| A shallows separated from the sea by low, sandy dunes | |
| Ice sheet projecting into coastal waters, making it float | |
| (Sometimes artificial) place where water is stored and regulated | |
| Ancient forest where wood has mineralized and become stonelike | |
| A stream flowing into a larger body of water | |
| A treeless Arctic region with permanently frozen subsoil | |
| The part of a continent submerged in the relatively shallow sea | |
| A long, deep crevasse on the ocean floor | |
|
Countries of Europe 
Countries of Africa 
Countries of Asia
