Science Revision - Dathan and Nathna (Dana and Nathan)

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Across
  1. 1. what structure transports water to the leaf
  2. 3. a chemical that changes colour to show if a substance is acidic, neutral or basic.
  3. 4. What is the sugar with the chemical formula of C6H12O6
  4. 7. Single celled organisms that live in water and store carbon sink
  5. 10. a base that is dissolved in water
  6. 11. The pigment that makes leaves green
  7. 12. a substance that releases OH-
  8. 13. a chemical reaction in which glucose is broken down releasing energy for use by plants and animals
  9. 14. ______________ acid is found in the stomach
  10. 17. what is used to neutralise HCl in the stomach
  11. 18. chemical formula for carbon dioxide
Down
  1. 2. a common indicator that turns red in an acid and blue in a base
  2. 5. A reaction af an acid with a base, forming a salt & water
  3. 6. what provides an entry for carbon dioxide into a leaf
  4. 8. what colour does a neutral substance turn when univeral indicator is added
  5. 9. a scale used to measure the concentration of H+ ions in a solution
  6. 14. what is the chemical formula for sulfuric acid
  7. 15. the chemical formula for carbonic acid
  8. 16. ____ + base = salt + water