LANDFORMS Landforms: features that make up the Earth's surface. Archipelago ahr-kuh-pel-uh-goh A group or chain of islands in a large body of water Aegean Sea Bay A body of water that is partly enclosed by land (and is usually smaller than a gulf). The bay at San Sebastian, Spain. Canyon A deep valley with very steep sides often carved from the Earth by a river. View from the North Rim of the Grand Canyon. Desert A very dry area with very little precipitation and vegetation. The Sahara Desert Dune A hill or a ridge made of sand. Dunes are shaped by the wind and frequently change shape. Mesquite Flat Dunes in Death Valley National Park Gulf A part of the ocean (or sea) that is partly surrounded by land (it is usually larger than a bay). Gulf of Mexico in 3D perspective. Island A piece of land that is surrounded by water. Coral Island, Philippines Isthmus A narrow strip of land connecting two larger landmasses. An isthmus has water on two sides. The Isthmus of Panama connects North and South America. Lake A large body of water surrounded by land on all sides. Extremely large lakes are often called seas. Lake in Slovenia Mountain A natural elevation of the earth’s surface- much, much taller than a hill. Mt. Everest A Ocean large body of salt water that surrounds a continent. Oceans cover more the two-thirds of the Earth's surface. Peninsula Land that is surrounded by water on three sides. The state of Florida Plain Flat lands that have only small changes in elevation. A Plateau large, flat area of land that is higher than the surrounding land. The Nez Perce Native American Reservation, Idaho River A large, flowing body of water that usually empties into a sea or ocean. Sea A large body of salty water that is often connected to an ocean. A sea may be partly or completely surrounded by land. A Valley low place between mountains.