Aqueduct - large pipes or canals that carry water over long distances

Archipelago - a group or chain of islands

Atoll - ring shaped island formed by coral building up Atoll - ring shaped island formed by coral building up along the rim of an underwater volcano

Badland - rocky wasteland that has been carved Badland - rocky wasteland that has been carved by erosion into intricate and fantastic shapes

Basin - a lower bowl shaped track of land in which Basin - a lower bowl shaped track of land in which water drains into from rivers and streams, etc.

Bay

Bay - a small area of sea or lake partly enclosed by dry land

Beach - the sandy or rocky land at the edge of an ocean, sea, or lake

Canal - an artificial waterway or artificially improved river used for irrigation, shipping, or travel.

Canopy - top layer of a rain forest, where the tops of Canopy - top layer of a rain forest, where the tops of tall trees come together

Canyon - deep, narrow valley with high steep walls

Cape - a pointed piece of land that projects from a coastline

Capital - a city or town that is the official seat of Capital - a city or town that is the official seat of government in a state or nation

Cave - a hollow underground chamber, usually one with an opening in the side of a hill or a mountain

Channel - a narrow body of water that connects two larger bodies of water

Continental Divide - a line or ridge that separates rivers flowing toward opposite sides of a continent

Continent - one of the seven great land masses on earth

Dam - a barrier built across a waterway to control the flow or raise the level of water

Delta - triangular section of land built up at a river’s mouth that looks like the Greek letter delta (∆)

Desert - a dry region with little rainfall where few plants and animals live

Dune - a hill of sand formed by blowing wind

Fault - a crack or break in the earth’s crust usually caused by intense folding.

Fjord - a long narrow inlet of the sea between tall rocky cliffs

Glacier - a great mass of ice slowly sliding down a mountain slope or through a valley

Gulf of Mexico Gulf - a large inlet of ocean or sea that is partially surrounded by land. Gulfs are much bigger and deeper than bays.

Island - a piece of land that is smaller than a continent and completely surrounded by water

Isthmus - a narrow strip of land with water on both sides that connects two larger land masses.

Mesa - flat-topped elevated landform

Mountain Range - a long connected chain of mountains and hills

Arctic Ocean Atlantic Ocean Pacific Ocean Indian Ocean Ocean - the entire body of salt water that covers nearly three-quarters of the earth’s surface

Peninsula - a large piece of land that extends outward from a continent and is surrounded by water on three sides

Plain - a broad region of flat or gently rolling, treeless land

Plateau - a large highland plain that rises sharply above the surrounding land.

Rainforest - a dense tropical evergreen forest with an annual rainfall of at least 100 inches

Reef - a strip or ridge of rocks, sand, or coral that rises to or close to the surface of a body of water.

River - a long, large stream

Savanna - a tropical grassland containing scattered trees

Sea - a large body of salt water that is smaller than an ocean

Strait - a narrow waterway that connects two larger bodies of water Mediterranean Sea Strait of Gibraltar Atlantic Ocean

Strait - a narrow waterway that connects two larger bodies of water

Swamp - an area of low land that is flooded with water that has a variety of trees, plants, and animals

Tributary - small rivers and streams that feed into a larger river

Tundra - a huge treeless plain bordering the Arctic Ocean

Urban Area - a city or densely populated area associated with business and industry

Valley - a gently sloping depression between hills or mountains

Reef - a strip or ridge of rocks, sand, or coral that rises to or close to the surface of a body of water.

Rural Area - sparsely populated areas used for farming and agriculture

Savanna - a tropical grassland containing scattered trees

Tributary - small rivers and streams that feed into a larger river

Strait - a narrow waterway that connects two larger bodies of water Mediterranean Sea Strait of Gibraltar Atlantic Ocean

Tributary - small rivers and streams that feed into a larger river

Volcano - mountains formed when lava, or melted rock, rises through the earth’s crust

Waterfall - a stream that flows over the edge of a cliff