Water in the world

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Across
  1. 4. An area of land covered with shallow water, like a swamp.
  2. 9. A large mass of ice slowly moving over land.
  3. 10. Watering crops using channels, pipes, or sprinklers.
  4. 13. Water dropping suddenly from a height in a river.
  5. 14. The process where water vapour turns back into liquid.
  6. 15. When liquid water changes into water vapour.
  7. 16. An area where rainfall collects and drains into a river.
  8. 17. Removing salt from seawater to make it drinkable.
  9. 18. Water flowing over the land into rivers and lakes.
  10. 19. An underground layer of rock that holds water.
Down
  1. 1. Water soaking into the soil from the surface.
  2. 2. All the water on Earth, including oceans, rivers, and ice.
  3. 3. Water released into the air by plants.
  4. 5. A long period with very little or no rainfall.
  5. 6. Using water in a way that meets today’s needs without harming the future.
  6. 7. Rain, snow, sleet, or hail falling to the ground.
  7. 8. A barrier built across a river to store or control water.
  8. 9. Water stored underground in rocks and soil.
  9. 11. When water covers land that is usually dry.
  10. 12. A large man-made lake that stores water.