Photosynthesis Crossword

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Across
  1. 2. is needed by cells for respiration.
  2. 6. a name for the things that can affect photosynthesis (i.e. carbon dioxide concentration, light intensityetc)>
  3. 7. are absorbed from the roots of a plant - we can easily tell when they are not present.
  4. 8. is produced when photosynthesis happens.
  5. 9. this green substance is essential for photosynthesis.
  6. 12. is needed for the formation of chlorophyll.
  7. 13. this is not needed for photosynthesis, but a rise or a fall in it will affect the rate at which the plant photosynthesises.
  8. 14. is a lot of glucose molecules in a chain.
Down
  1. 1. meaning the speed of something (i.e. photosynthesis).
  2. 3. is a gas essential for photosynthesis.
  3. 4. describes to us how strong or weak something (i.e.light) is.
  4. 5. are needed as they help collect essential minerals.
  5. 9. is needed by plants as it makes up the cell walls in plant cells
  6. 10. it is needed for photosynthesis - plants get it from the star at the centre of our solar system.
  7. 11. it is obvious when this is not present in a plant as the leaves turn yellow with green veins.
  8. 15. is the chemical symbol for carbon dioxide.