Category 1
A natural elevation smaller than a mountain.
Hill
Dry barren region that may be sandy and without trees.
Desert
An area of land completely surrounded by water.
Island
A large body of water surrounded by land.
Lake
A large stream of water that flows into a lake or ocean.
River
Low land between hills and mountains.
Valley
Landform with high elevations pointed and higher than a hill.
Mountain
A broad flat or gently rolling area usually low in elevation.
Plain
Part of an ocean extending into land and larger than a bay.
Gulf
A group of many islands.
Archipelago
A waterway dug across land through which ships can pass.
Canal
Part of an ocean or lake extending into land and smaller than a gulf.
Bay
A narrow waterway connecting two larger bodies of water.
Strait
A huge mass of ice that moves slowly down a mountain.
Glacier
A low wetland that supports grass and trees.
Swamp
A sheltered area of water where ships can anchor safely.
Harbor
Triangular deposit of sand and soil that collects at the mouth of some rivers.
Delta
Land surrounded by water on all sides but one.
Peninsula
A narrow strip of land with water on both sides connecting two larger areas of land.
Isthmus
A point of land extending into a body of water.
Cape