Across
- 3. Water flowing over land is known as surface ________
- 9. When heat turns water into water vapour
- 10. When leaves slow down precipitation
- 11. Where a river starts
- 12. The main part of a river that contains water
- 13. The area drained by a river and its tributaries is called the drainage ______
- 15. The material (rocks and sediment) carried by a river
Down
- 1. The change in gradient from the source to the mouth is known as the long _________
- 2. The point where two rivers meet
- 4. A small stream that feeds into the main channel
- 5. When water soaks into the ground
- 6. Often found on high ground, the boundary of the drainage basin
- 7. Water stored in porous rocks
- 8. The widest, deepest, fastest part of a river
- 14. Precipitation includes rain, sleet, hail and _____
