Rivers

5. the sediments hit into each other
6. the normal depth of the river
8. the sediments hit with the river banks
10. material bounced along the bed of the river.Saltation: material bounced along the bed of the river.
13. The sheer force of the water by itself can erode material from the bed and banks of the river channel
14. the highland separating one river basin from another
16. the wearing away of the bed and banks of the river channel by abrasion, hydraulic action, solution and attrition

1. a smaller river that joins a larger one
2. the land that is drained by a river and its tributaries
3. where a river starts, usually in the mountains
4. the point at which rivers meet
7. the material carried by a river by being bounced or rolled along its bed.
9. some rocks such as limestone are subject to chemical attack and slowly dissolve in the water
11. material rolled along the bed of the river
12. the amount of water passing a specific point at a given time (m³/sec).
15. where a river ends, at a lake or the sea.