science crossword

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Across
  1. 1. Kidney's working unit.
  2. 4. Product of acid-base reaction.
  3. 6. Water-conducting tissue.
  4. 7. Acid meets base.
  5. 8. Splits white light.
  6. 10. Rusting-type process.
  7. 13. Plant food-making process.
  8. 14. Reason for the blue sky.
Down
  1. 2. Food-pushing movement.
  2. 3. Food-conducting tissue.
  3. 5. Eye's focusing ability.
  4. 9. Bending of light.
  5. 11. Forms images by refraction.
  6. 12. Turns red litmus blue.
  7. 15. Turns blue litmus red.