Across
- 3. Ridge separating river basins
- 4. Small stream flowing from a river
- 5. The transport of hard particles over an uneven surface
- 9. Water used by plants
- 11. Surface upon which a river flows
- 12. Original point from where a river flows
- 13. The sun heats water that turns into water vapor
- 16. Bend in a watercourse or river
- 17. The action of drawing or pulling something over a surface
Down
- 1. Water droplets fall from the sky as rain or snow
- 2. Water falling from a great height over a steep hill
- 6. water droplets float into the sky and collide
- 7. Water sinks into the ground
- 8. The process of reducing something's strength
- 10. To pass into or through a substance by filtering
- 13. Weathering which causes worn away rocks and soil
- 14. The process of scraping or wearing something away
- 15. Small stream entering a river
- 16. Water emptying into a ocean
- 18. Bed of a stream or river