1. Geographical Terms
Terms and definitions

2. Archipelago
A group or chain of islands clustered together in a sea or ocean

3. Atoll
A ring of coral that forms an island surrounding a lagoon in the ocean or sea

4. Bay
Part of an ocean, sea, or lake, that extends into the land

5. Butte
A small, flat-topped hill.

6. Canal
A waterway built to carry water for navigation or irrigation

7. Canyon
A deep valley with very steep sides, often carved into the Earth by a river.

8. Cape
Part of a coastline that extends into the ocean, sea, gulf, bay, or lake

9. Cataract
A large waterfall with a large volume of water, or a series of waterfalls

10. Cliff
A high steep face of rock or earth

11. Delta
Land formed at the mouth of a river by deposits of silt, sand, and pebbles

12. Dune
A hill or ridge made of sand. Dunes are shaped by the wind, and change all the time

13. Fjord
A long, narrow sea inlet that is bordered by steep cliffs

14. Foothills
A hilly area at the base of a mountain range

15. Glacier
A sheet of ice that moves slowly over some land surface or down a valley

16. Gulf
Part of the ocean (or sea) that is partly surrounded by land. (It is usually larger than a bay)

17. Harbor
A protected place where ships can safely anchor

18. Iceberg
A large massive body of floating ice that has broken away from a glacier

19. Island
A body of land completely surrounded by water

20. Isthmus
A narrow strip of land connecting two larger landmasses. An isthmus has water on both sides

21. Lagoon
A shallow body of water partly or completely enclosed within an atoll

22. Mesa
A land formation with a flat area on top and steep walls, or clliffs- usually occurring in dry areas

23. Mountain Pass
An opening or gap through a mountain range

24. Peninsula
A body of land that is surrounded by water on three sides

25. Plateau
A high, flat landform that rises steeply above the surrounding land. It is larger than a mesa or a butte.

26. River Basin
All the land drained by a river and its tributaries.

27. Source
The place where a river or stream begins.

28. Strait
A narrow body of water that connects two larger bodies of water

29. Timber Line
An imaginary line (on mountains) above which trees do not grow

30. Tributary
A river or stream that flows into a larger river or stream

31. Valley
An area of low land between hills or mountains