The height of an area, measured above a reference level, especially above sea level or above the earth's surface
A circle at latitude 66°30' S
A group or chain of islands clustered together in a sea or ocean
A circle at latitude 66°30' N
A ring (or partial ring) of coral that forms an island in an ocean or sea
A body of water that is partly enclosed by land (smaller than a gulf)
An isolated hill with steep sides and a flat top (narrower than a mesa)
A man-made waterway used for transportation or irrigation
A deep valley with very steep sides
A pointed piece of land (similar to a peninsula) that sticks out into a sea, ocean, lake, or river
A large hole in the ground or in the side of a hill
A narrow body of water that connects two larger bodies of water (similar to a strait)
A steep face of rock and soil
A line that represents locations with the same altitude
A small sheltered bay in the shoreline of a sea, river, or lake
A low, watery land formed at the mouth of a river
A very dry area
A hill or a ridge made of sand
A circle of latitude around the center of the earth
A long cliff or steep slope separating two comparatively level or more gently sloping surfaces
Where a river meets the sea or ocean
A long, narrow sea inlet that is bordered by steep cliffs
The study of the physical features of the earth and its atmosphere
A natural hot spring
A slowly moving river of ice
Part of the ocean (or sea) that is partly surrounded by land (usually larger than a bay)
A raised area or mound of land (smaller than a mountain)
A thick slab of floating ice that is next to land
A north-south line (at the 180th meridian)
A piece of land surrounded by water
A line drawn on a map connecting points that receive equal amounts of rainfall
A narrow strip of land (with water on two sides) connecting two larger landmasses
A shallow body of water that is located alongside a coast and separated from the ocean by a strip of land
A large body of water surrounded by land on all sides
The angular distance north or south from the equator
The angular distance east or west from the north-south line that passes through Greenwich, England
The point on the Northern Hemisphere of the Earth toward which a compass' needle always point
The point on the Southern Hemisphere of the Earth toward which a compass' needle always point
A graphic representation of a place
An area of soft, wet, low-lying land, characterized by grassy vegetation
A circular arc (a great circle) of longitude that meets at the north and south poles
An isolated flat-topped natural elevation (wider than a butte)
A very tall high, natural place on Earth (higher than a hill)
The half of the Earth that is north of the equator
The point on the Northern Hemisphere of the Earth that is farthest north
A place in the desert that has water and is fertile
A large body of salt water that surrounds a continent
A body of land (similar to a cape) that is surrounded by water on three sides
A wide, relatively flat area of land that has grasses and only a few trees
The meridian that passes through Greenwich, England
A chain of mountains
An undersea growth of coral near the surface of the water
A topographic map that uses different colors or shades to indicate elevations
A man-made lake that stores water
A large, flowing body of water that usually empties into a sea
A large body of salty water that is often connected to an ocean
The height of a sea or ocean
A wide inlet of the sea or ocean that is parallel to the coastline
The beginning of a river
The half of the Earth that is south of the equator
The point on the Southern Hemisphere of the Earth that is farthest south
A narrow body of water that connects two larger bodies of water (similar to a channel)
A seasonally flooded bottomland with more woody plants than a marsh
A stream or river that flows into a larger river
A line of latitude at 23°30' N
A line of latitude at 23°30' S
A cold, treeless area characteristic of the arctic and subarctic regions
A river that falls off steeply
A low place between mountains
A mountainous vent in the Earth's crust