| Term | Answer |
| Conspicuous landform rising high above surrounding land | |
| Body of fresh or saltwater, surrounded by land | |
| Projecting land bordered by water on three sides | |
| Large group or chain of islands | |
| A steep drop-off in a river or channel, like Niagara's | |
| Underwater ridge near the water's surface, often made of coral | |
| Deep valley with steep sides; a stream may flow at the bottom | |
| Elongated depression between mountains; often follows a stream | |
| A high, steep face of a rock | |
| Region supporting little vegetation and having little precipitation | |
| One of the main landmasses on Earth | |
| Tract of land completely surrounded by water | |
| Natural stream of water flowing to the coast | |
| A natural underground void, large enough for a human to enter | |
| Marshy, spongy tract of land often saturated with water | |
| A portion of an ocean or sea partially enclosed by land | |
| Tract of land that is vast, level and often treeless | |
| An often triangular deposit of soil at a river's mouth | |
| Vast body of saltwater | |
| Tract of land with trees and underbrush | |