physical map
Type of map representing the Earth’s surface (topography, watercourses, aquatic areas) using various techniques (contour lines, colors).
ocean 
Vast body of saltwater covering a large part of the Earth’s surface and separating the continents.
mountain mass 
Group of closely spaced mountains.
river 
Natural watercourse of minor or intermediate size that empties into another watercourse.
plateau 
Vast expanse of relatively flat land, higher than the surrounding region and bounded by deep valleys with sheer cliffs.
gulf 
Long curvature in a coastline; it reaches far inland and is more or less open.
cape 
Massive elevated headland extending into the sea or a river estuary.
plain 
Vast, relatively flat expanse of land, lower than the surrounding landscape; its valleys are wide and shallow.
river 
Major watercourse fed by numerous smaller rivers; it empties into the sea.
isthmus 
Narrow strip of land between two bodies of water; it connects two larger expanses of land.
peninsula 
A piece of land connected to a larger body amd extending into water.
archipelago 
Group of islands.
lake 
Body of water completely surrounded by land; it varies in size and depth.
river estuary 
Mouth of a river that is influenced by the tides; it forms an indentation in the coastline that varies in width and depth.
island 
Expanse of land completely surrounded by water.
strait 
Natural arm of a sea between two coasts; it connects two bodies of water.
sea 
Vast body of saltwater at some distance inland; it is not as deep as an ocean.
bay 
Indentation in a shoreline that reaches far inland and is delimited by two capes.
mountain range 
A row of connected mountains characterized by high summits and deep valleys.
prairie 
Vast expanse of relatively flat land that is characterized by grasses and is naturally devoid of trees.