Across
- 5. the area of a river near the mouth which is affected by the tides
- 7. the area of high land forming the edge of a river basin
- 9. when rocks and stones knock together and wear eachother away
- 10. something that does not allow fluid to pass through
- 13. where a river behins
- 14. a small river that joins a larger river
- 15. when a river deposits the sediment it is carrying
- 17. water is stored in porous rocks
- 18. the point at which 2 rivers meet
- 19. water vapour releases from trees and plants
- 20. when heavier material is carried along the bottom
Down
- 1. where a river meets the sea
- 2. when sand and stones in the river scrape the bed and banks causing it to wear them away
- 3. when a river loses energy and drops some of the material it’s carrying
- 4. the movement of sediment down a river channel
- 6. something formed as water flows over the river banks during a flood
- 8. an erosive landform
- 11. something capable of being permeated
- 12. something formed as the river erodes from horizontally across the valley floor
- 16. the wearing down or removal of material by water, ice or wind