1. Landforms

2. Archipelago a group of islands

3. Archipelago a group of islands

4. Atoll a ring of coral that encloses a pool of seawater

5. Atoll a ring of coral that encloses a pool of seawater

6. Bay a body of water that extends into the land

7. Bay a body of water that extends into the land

8. Canyon A deep valley with steep sides.

9. Canyon A deep valley with steep sides.

10. Cape A point of land that juts out into the water.

11. Cape A point of land that juts out into the water.

12. Delta A fan-shaped deposit of sand and mud at the mouth of a river.

13. Delta A fan-shaped deposit of sand and mud at the mouth of a river.

14. Fjord A long, narrow inlet of the sea between cliffs or slopes.

15. Fjord A long, narrow inlet of the sea between cliffs or slopes.

16. Glacier A large mass of ice that moves very slowly down a mountain or through a valley.

17. Glacier A large mass of ice that moves very slowly down a mountain or through a valley.

18. Gulf A large body of salt water that is partly enclosed by land.

19. Gulf A large body of salt water that is partly enclosed by land.

20. Island A piece of land that is surrounded by water.

21. Island A piece of land that is surrounded by water.

22. Isthmus A narrow strip of land that connects two larger land areas.

23. Isthmus A narrow strip of land that connects two larger land areas.

24. Lagoon A shallow body of water that is partly cut off from the sea.

25. Lagoon A shallow body of water that is partly cut off from the sea.

26. Mesa A raised area with steep sides and a large, flat top.

27. Mesa A raised area with steep sides and a large, flat top.

28. Oasis A place in the desert with enough water support vegetation

29. Oasis A place in the desert with enough water support vegetation.

30. Peninsula A long piece of land surrounded on three sides by water

31. Peninsula A long piece of land surrounded on three sides by water

32. Plateau A large elevated area of land

33. Plateau A large elevated area of land

34. Reef An underwater ridge, lying near the surface of the water usually low-lying

35. Reef An underwater ridge, lying near the surface of the water usually low-lying

36. River Any stream of fresh water flowing by gravity from an upland source into a body of water or another river.

37. River Any stream of fresh water flowing by gravity from an upland source into a body of water or another river.

38. Strait A stretch of water joining two larger bodies of water, narrower than a channel

39. Strait A stretch of water joining two larger bodies of water, narrower than a channel

40. Volcano A cone-shaped hill or mountain formed by lava and ash; may be active or extinct

41. Volcano A cone-shaped hill or mountain formed by lava and ash; may be active or extinct Active Extinct