Vocabulary Activity

4. large, long-lasting mass of ice that moves because of gravity
5. changing of land forms by slowly moving glaciers
8. step-like series of waterfalls
9. a triangular area of land formed from deposits at the mouth of a river
11. (Peninsula) - a point of land extending into an ocean or lake
12. plain flat land near the edges of rivers formed by mud and silt deposited by floods
13. a raised, flat area of land with steep cliffs, smaller than a mesa
14. when weathered material is moved by wind, water, ice, or gravity
15. see Bay

1. violent movement of earth as plates grind or slip past each other
2. sheltered area of water deep enough for docking ships
3. basin area drained by a major river and its tributaries
4. water held in the pores of rock
6. the steep almost vertical edge of a hill, mountain, or plain
7. narrow, deep valley with steep sides
10. shelf earth’s surface from edge of a continent to the deep part of the ocean
13. part of an ocean or lake partially enclosed by land
16. fracture in the earth’s crust