Science test - WATER

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Across
  1. 3. People enjoy swimming in this (4 letters)
  2. 7. We use water mainly for ______ (8 letters)
  3. 9. Stream of water flowing into sea (5 letters)
  4. 11. Throwing waste into rivers causes ______ (9 letters)
  5. 14. Water is used for ______, transport, and agriculture (10 letters)
  6. 16. Waste water can be ______ for other uses (8 letters)
  7. 18. Turn off the ______ when brushing teeth (3 letters)
  8. 19. Found in salty oceans but made of fresh water (8 letters)
  9. 22. Covers 70% of Earth’s surface (5 letters)
  10. 23. Clean water is important for staying ______ (6 letters)
  11. 24. Polluted water can make us ______ (4 letters)
  12. 25. Found in cracks of soil and rock (11 letters)
  13. 26. Reuse water from washing vegetables to ______ plants (5 letters)
  14. 27. Another way to clean water is to ______ it (4 letters)
  15. 28. Produced when water boils (5 letters)
  16. 29. Water flowing from high to low point (9 letters)
  17. 30. One way to clean water is to ______ it (6 letters)
  18. 32. Indonesia lies between Indian and ______ Ocean (7 letters)
  19. 33. Only 3% of Earth’s water is ______ water (5 letters)
  20. 34. Collect this from the sky to wash cars (8 letters)
  21. 35. Use a ______ instead of hose to wash car (6 letters)
Down
  1. 1. Water is needed for ______ plants in farming (9 letters)
  2. 2. Fun activity in water: ______ (8 letters)
  3. 4. Water vapor cooled becomes ______ (9 letters)
  4. 5. Growing plants without soil, using water (11 letters)
  5. 6. Surrounded by land, usually fresh water (4 letters)
  6. 8. Ice melts into this state (5 letters)
  7. 10. Large ships carry goods across oceans (5 letters)
  8. 12. Frozen water is called ______ (3 letters)
  9. 13. Ice melts because of rising ______ (11 letters)
  10. 15. Heated water turns into ______ vapor (5 letters)
  11. 17. We must ______ water carefully so it lasts (7 letters)
  12. 20. Water takes the shape of its ______ (9 letters)
  13. 21. Dirty water contains harmful ______ (14 letters)
  14. 25. Water exists in solid, liquid, and ______ (3 letters)
  15. 28. 97% of Earth’s water is this type (4 letters)
  16. 31. Water cycle includes rain, river, sea, and ______ (10 letters)