Revision for Test

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Across
  1. 3. A substance is high in hydrogen ions
  2. 5. A biological catalyst
  3. 9. What opens and closes the stoma
  4. 10. A base that dissolves in water
  5. 11. The waxy top part of the leaf
  6. 12. A reaction where glucose is broken down to release energy
  7. 13. The chemical that makes plants green
  8. 15. What cell carries glucose and other chemicals away from the leaf
  9. 17. What is the term used to define rain that has higher than usual carbon dioxide level
  10. 18. What part of the leaf lets gases come in and out
Down
  1. 1. A substance high in hydroxide ions
  2. 2. Single collect organisms that live in water
  3. 4. Chemical that states whether a subtance is neutral, basis or acidic
  4. 6. The reaction that takes place between an acid and base
  5. 7. What cell supplies water to the leaf
  6. 8. Sodium chloride,copper nitrate and iron phosphate are all...
  7. 9. A simple sugar essential for photosynthesis to take place
  8. 13. Materials that store carbon in their structure
  9. 14. Scale used to measure the concentration of a substance
  10. 16. What causes the sour taste of grapefruit