Continent:Continent:One of the seven large land masses on Earth.

Peninsula:Peninsula:A body of land that is surrounded by water on three sides.

Island:Island:Land that is completely surrounded by water.

Archipelago:Archipelago:A chain or cluster of islands.

Mountain:Mountain:A landform that rises 1,000 or more feet above the land around it.

Hill:Hill:A raised part of the earth's surface, smaller than a mountain, usually having an elevation of less than 1000 feet.

Plateau:Plateau:A large region that is higher than the surrounding area and relatively flat.

Plain:Plain:A relatively flat area of land, usually very large.

Valley:Valley:A depression on Earth'ssurface between ranges of hills or mountains.

Three Types:Mountain ValleysRiver ValleysRift Valleys

Three Types:Mountain ValleysRiver ValleysRift Valleys

Canyon:Canyon:A deep, narrow valley with very steep sides.

Isthmus:Isthmus:A narrow strip of land (with water on both sides) connecting two larger land areas.

Ocean:Ocean:The great body of salt water which occupies two-thirds of the surface of the Earth.

Sea:Sea:A large body of salt water connected with an ocean and partially enclosed by land

Lake:Lake:A body of (usually fresh) water surrounded by land

River:River:A large body of moving water, that flows until it empties into a larger river or other body of water.

Tributary:Tributary:A river or stream flowing into a larger river or lake .

Delta:Delta:The fan-shaped area at the mouth or lower end of a river.

Strait:Strait:A narrow channel of water that connects two larger bodies of water.