| A | B |
|---|
| Archipelago | An arc-shaped chain of islands |
| Atoll | A ring-shaped island form by coral buildup on the rim of an underwater volcano |
| Badlands | A barren area with eroded ridges, peaks and mesas, and sparse vegetation |
| Bay | A body of water partially enclosed by land with a wide outlet to the ocean |
| Beach | A sandy, pebbly or rocky shore of a body of water |
| Butte | A tall, isolated rocky hill or mountain with a flat top and steep sides |
| Canyon | A deep valley with high, steep walls |
| Cape | A pointed piece of land jutting into the sea from the coastline of a continent or large island |
| Cave | An underground hollow with an opening at the surface |
| Channel | The deepest part of a river harbor |
| Cliff | A steep, face of rock |
| Continent | A large, principal land mass |
| Coral Reef | A mound or ridge of coral polyps and their hard limestone remains, combined with sand and minerals |
| Crater | A bowl-shaped depression in the earth or the funnel-shaped opening of a volcano |
| Delta | A triangular plain formed by the gravel, silt, sand, and clay deposited at a river's mouth where it slows to meet another body of water |
| Desert | A dry, barren region that receives little or no precipitation |
| Dune | A ridge or hill of sand blown or drifted by the wind in deserts or on beaches |
| Fjord | A long, narrow coastal valley between tall, rocky cliffs, gouged out by a glacier and flooded by the sea |
| Forest | A large area thickly covered with trees |
| Geyser | A natural hot spring that intermittenly ejects steam and hot water into the air |
| Glacier | A large body of ice that moves across the earth's surface |
| Gulf | An area of a se or ocean partially enclosed by land; larger than a bay |
| Hill | A natural land elevation smaller than a mountain |
| Icebereg | A mass of floating ice that has broken away from a glacier |
| Island | A piece of land, smaller than a continent, completely surrounded by water |
| Isthmus | A narrow strip of land between two seas or oceans that connects two larger land areas |
| Jungle | Land covered by dense tropical vegetation |
| Lagoon | A shallow pool of water atr the center of an atoll |
| Lake | A large inland body of fresh or saltwater |
| Marsh | A wetlands area always or sometimes covered with shallow watere whose main plants are reeds, rushes, sedges, and grasses |
| Mesa | Flattop, elevated landform |
| Mountain | A rugged mass of rock that rises above the surrounding landscape with steep slopes and a peak or summit |
| Ocean | The learth's largest continous stretches of saltwater |
| Panhandle | A narrow projectrion of a larger territory, as in Florida, Texas or Oklahoma |
| Peninsula | A landform surrounded by water on three sides |
| Plain | A large area of relatively flat or gently rolling land |
| Plateau | A vey large, flat area of land that usually is higher than the land around it with at least one steep slope |
| Prairie | A wide area of level or rolling, wet, tall grassland |
| Rivee | A stream of water of considerable volume |
| Savanna | An ope grassland with widely spaced trees in a hot, seasonally dry climate |
| Sea | A body of saltwater surrounded almost entirely by land |
| Sound | A long, relatively wide body of water, larger than a channel or strait, that often connects larger bodies |
| Strait | A relatively narrow waterway joing two larger bodies of water |
| Swamp | A lowland region saturated by water |
| Tundra | Vast plains with permafrost and small, low plants |
| Waterfall | A natural stream of water descending from a steep height |
| Volcano | An opening in the earth's crust through wjich red-hot, melted rock or magma rises to the surface from deeep inside the earth and spills out as lava |
