Crossword

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Across
  1. 3. Type of change where a new substance is formed. (8 letters)
  2. 5. Mode of nutrition in humans. (10 letters)
  3. 8. The green pigment essential for photosynthesis. (9 letters)
  4. 11. The part of the plant that absorbs water and minerals. (5 letters)
  5. 13. Type of heat transfer that occurs through fluids. (9 letters)
  6. 14. A reversible change. (8 letters
  7. 16. The process of taking in food. (9 letters)
  8. 18. Tooth used for grinding food. (7 letters)
  9. 20. Process of breakdown of food into simpler substances. (9 letters)
  10. 21. Type of change where no new substance is formed. (8 letters
Down
  1. 1. Organ that secretes bile. (5 letters)
  2. 2. Plant that gets its nutrition from dead and decaying matter. (10 letters
  3. 4. The finger-like projections in the small intestine that absorb nutrients. (5 letters)
  4. 6. Process by which green plants prepare their own food. (14 letters)
  5. 7. The organ where digestion begins. (5 letters)
  6. 9. A simple carbohydrate produced during photosynthesis. (8 letters)
  7. 10. The part of heat measurement, often used in daily life. (7 letters)
  8. 12. The gas released during photosynthesis. (6 letters)
  9. 15. A plant that traps and digests insects. (11 letters)
  10. 17. The main product of photosynthesis. (5 letters)
  11. 19. Heat transfer without direct contact. (11 letters)