Across
- 5. a river or stream flowing into a larger river or lake:
- 6. a fast-flowing and turbulent part of the course of a river:
- 8. a sudden flood in a river.
- 10. the action of transporting someone or something or the process of being transported:
- 11. the process of eroding or being eroded by wind, water, or other natural agents:
- 14. (of a river or road) follow a winding course:
- 15. an embankment built to prevent the overflow of a river.
- 17. a cascade of water falling from a height, formed when a river or stream flows over a precipice or steep incline.
- 19. having the shape or form of a helix; spiral:
- 21. an inclined part of a road or railway; a slope:
- 22. the process of wearing or being worn by long exposure to the atmosphere:
- 23. (of two or more things) having parts that overlap or fit together:
Down
- 1. the action or process of giving new energy or vigour to something:
- 2. a device with a small spike or a spiked wheel that is worn on a rider's heel and used for urging a horse forward.
- 3. a branch of a river that does not return to the main stream after leaving it (as in a delta).
- 4. a narrow valley between hills or mountains, typically with steep rocky walls and a stream running through it.
- 7. the process of scraping or wearing something away:
- 9. a deep natural underground cave formed by the erosion of rock, especially by the action of water.
- 12. Crescent-shaped lake
- 13. abrupt evolutionary change; sudden large-scale mutation:
- 16. a line connecting the lowest points of successive cross-sections along the course of a valley or river.
- 18. fine sand, clay, or other material carried by running water and deposited as a sediment, especially in a channel or harbour.
- 20. the strength and vitality required for sustained physical or mental activity:
- 24. partially burn so as to blacken the surface: