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Geographic Terms Archipelago Definition: A chain of islands or set of islands grouped together. Examples: The Aleutian Islands in Alaska and the Caribbean Islands. Bay Definition: Any wide indentation of the land; larger than a cove but smaller than a gulf. Examples: Hudson Bay in Canada, Chesapeake Bay near Virginia. Continent Definition: a large landmass above water on the earth’s surface. Examples: North America, South America. Delta Definition: The often triangular-shaped alluvial deposition area at the mouth of a river. Examples: The mouth of the Mississippi River is an alluvial delta. Desert Definition: An area with little precipitation or where evaporation exceeds precipitation, and thus includes sparse vegetation. Examples: The southwestern U.S. and northern Mexico are desert regions. Glacier Definition: a large, long-lasting mass of ice that moves because of gravity. Example: Most of Greenland is covered in glaciers. Gulf Definition: A large inlet of water surrounded by land; usually surrounded on three sides by land. Examples: The Gulf of Mexico and the Gulf of California. Island Definition: A body of land surrounded on all sides by water. Examples: Hawaii, Cuba, Bermuda, Jamaica. http://geography.about.com/od/geographyglossary/Geography_Glossary.htm http://www.physicalgeography.net/glossary.html Isthmus Definition: A narrow strip of land that is bordered on two sides by water and connects two larger land masses. Examples: The Isthmus of Panama connects North and South America. Lake Definition: Any accumulation of water surrounded by land, often of a considerable size; larger than a pond, but smaller than an inland sea. Examples: The five Great Lakes bordering the U.S. and Canada, Great Salt Lake. Mountain Definition: a land mass that projects well above its surroundings; higher than a hill Examples: Rocky Mountains, Appalachian Mountains, Coastal Ranges, Sierra-Nevada Mountains. Ocean Definition: The largest bodies of water on the planet. There are five oceans that are all connected as one world ocean. Examples: Atlantic, Pacific, Arctic, Indian, and Southern Oceans. Peninsula Definition: a piece of land surrounded by water on 3 sides Examples: Baja California and Florida are peninsulas. River Definition: A river is a large stream that flows over land. It is often a perennial (year-round) water body and usually flows in a specific channel, with a considerable volume of water. Examples: The world's shortest river, the D River, in Oregon, is only 120 feet long and connects Devil's Lake directly to the Pacific Ocean. The longest river in North America is the Mississippi River. Volcano Definition: Formed when magma, gasses and water from the lower part of the crust or mantle collect in underground chambers and eventually erupt and pour out of cracks in the earth’s surface. Examples: The Hawaiian Islands were created by volcanoes. Washington is home to Mt. St. Helens, a dormant volcano. http://geography.about.com/od/geographyglossary/Geography_Glossary.htm http://www.physicalgeography.net/glossary.html