Across
- 1. a sudden violent flood that occurs within a few hours or even minutes of a storm
- 8. the land area that supplies water to a river system
- 9. the type of weathering in which rock is physically is broken into pieces
- 11. the process that breaks down rock through chemical changes
- 13. the difference in elevation between the highest and lowest parts of an area
- 15. Any one of several processes by which gravity moves sediment downhill
- 16. the difference in elevation from one contour line to the next
- 19. the movement of sand along a beach
- 20. water that flows over the ground surface rather than soaking into the ground
- 21. Wind erosion that removes surfaced materials
- 23. A wall made of rocks or concrete that is built outward along a beach to reduce erosion
- 24. the grinding away of rock by other rock particles carried in water, ice, or wind
- 25. A long ridge formed by deposits of sediments alongside a river channel
Down
- 2. Wide valley through which a river flows
- 3. A rush of water that flows rapidly back to sea through a narrow opening in a sandbar
- 4. the process that splits rock when water seeps into cracks, then freezes and expands
- 5. Waved washed sediment along a coast
- 6. a deposit of windblown sand
- 7. Earths materials deposited by erosion
- 10. a landform made of sediment that is deposited where a river flows into an ocean or lake
- 12. A looplike bend in a course of a river
- 14. A large mass of moving ice and snow on land
- 17. The process by which water, ice, wind, or gravity moves weathered rock and soil
- 18. a line on a topographical map that connects points of equal elevation
- 21. Process where sediment is laid down in new locations
- 22. A meander cut off from a river