Year 8 Rivers and Flooding

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Across
  1. 4. The process by which water flows across the top of the land
  2. 7. The process by which water moves through rocks back towards the river
  3. 9. Flood prevention methods that interfere with natural processes e.g. embankments or walls
  4. 11. Water cooling, turning back into droplets and forming clouds
  5. 13. The flowing together of 2 or more streams - the point at which they meet
  6. 15. When trees and plants catch and soak up rain water before it gets to the river
  7. 17. A surface that allows water to soak in
  8. 19. Any form of moisture that falls from the atmosphere e.g. rain, sleet or hail
  9. 20. Flood prevention methods that work with natural processes e.g. river restoration
Down
  1. 1. A stream or river that flows into the main river
  2. 2. The way that water moves around between the land and atmosphere, it's also called the hydrological cycle
  3. 3. The process by which water moves through the soil back towards the river
  4. 5. The start of the river, usually high in the mountains
  5. 6. The land drained by a river and it's tributaries
  6. 8. The boundary that separates 2 river basins
  7. 10. The process by which water soaks into the ground
  8. 12. A surface that doesn't allow water to soak in
  9. 14. The end of the river, where it flows into the sea
  10. 16. Water heating, turning into a gas and rising into the atmosphere
  11. 18. This happens when here is too much water for the river channel to hold