Leaf Extract

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Across
  1. 2. This is the feature of a pencil that makes it appropriate to draw the start line
  2. 4. This pigment is synthesised less in autumn/winter
  3. 7. Red pigments in the leaves in autumn may prevent these laying their eggs
  4. 10. Type of cell that has the most amount of chloroplasts
  5. 12. This term describes the inability to see the green pigments because there are more purple pigments
  6. 13. Rf values must always be lower than this value
  7. 14. What process is chlorophyll needed for
  8. 15. This must not touch the start line and dot of pigment
  9. 16. Gas formed by photosynthesis
Down
  1. 1. What energy is absorbed by chlorophyll?
  2. 3. What is different about each pigment that enables then to be separated by this method
  3. 5. Type of pigment that causes yellow/orange colours
  4. 6. Type of pigment that causes red/purple colours to leaves
  5. 8. By putting a lid on it reduces what process from your chromatography plate
  6. 9. This colour of pigment is the most soluble in the solvent
  7. 11. This reacts with carbon dioxide in photosynthesis