Unit 2 Optional Credit

2. a wide, flat-topped mountain with steep sides, larger than a butte
3. the place where a river flows into a lake or an ocean
4. a triangular area of land formed from deposits at the mouth of a river
5. a spot of fertile land in a desert, fed by water from wells or underground springs
8. a sheltered area of water deep enough for docking ships
9. an opening in the earn, usually raised, through which gases and lava escape from the earth's interior
10. a lowland region that is saturated by water
11. part of an ocean or lake partially enclosed by land
13. flat land near the edges of rivers formed by mud and silt deposited by floods
15. a narrow channel connecting two larger bodies of water
18. a step-like series of waterfalls
19. a large ice mass that moves slowly down a mountain or over land
20. a body of land surrounded by water

1. a point of land extending into an ocean or lake
3. soft, wet, low-lying, grassy land that serves as a transition between water and land
6. natural elevation of the earth's surface with steep sides and greater height than a hill
7. low land between hills or mountains
10. level of the ocean's surface, used as a reference point when measuring the height or depth of the earth's surface
11. a raised, flat area of land with steep cliffs, smaller than a mesa
12. a broad, flat area of land higher than the surrounding land
14. a large, level area of grassland with few or no trees
16. the steep, almost vertical edge of a hill, mountain, or plain
17. a wide, treeless grassy plain
18. a narrow, deep valley with steep sides