A Large Body of Water
Ocean
A natural flow of water that runs through the land
River
An area of land surrounded entirely by water
Island
An area of densely wooded land
Forest
An area of rugged land that generally rises higher than 2000 feet
Mountain
A large part of the ocean that extends into land
Gulf
An ocean ridge made up of skeletal remains of tiny sea animals
Coral Reef
An area of land covered by shallow water
Wetland
An area of land near the ocean
Coast
An opening in Earth's crust where lava, ash and gases erupt
Volcano
Part of a large body of water that is smaller than a gulf
Bay
An area of land that sticks out into a lake or ocean
Peninsula
A circular depression formed when the roof of a cave collapses
Sinkhole
An area of low land between hills or mountains
Valley
A rounded elevated area of land smaller than a mountain
Hill
A narrow body of water connecting two large bodies of water
Strait
A narrow piece of land connecting two larger land areas
Isthmus
An area in the desert with a water source
Oasis
A deep narrow valley with steep walls
Canyon
A hill of sand shaped by wind
Dune
An inland body of water
Lake
An area where a river deposits soil into the ocean
Delta
A large area of slow moving ice
Glacier
A nearly flat area
Plain
A large, flat, elevated area of land
Plateau