Photosynthesis Crossword

4. is the chemical symbol for carbon dioxide.
6. meaning the speed of something (i.e. photosynthesis).
7. are absorbed from the roots of a plant - we can easily tell when they are not present.
9. this is not needed for photosynthesis, but a rise or a fall in it will affect the rate at which the plant photosynthesises.
10. this green substance is essential for photosynthesis.
12. describes to us how strong or weak something (i.e.light) is.
13. are needed as they help collect essential minerals.
14. it is needed for photosynthesis - plants get it from the star at the centre of our solar system.
16. is produced when photosynthesis happens.

1. is needed by plants as it makes up the cell walls in plant cells
2. is needed by cells for respiration.
3. it is obvious when this is not present in a plant as the leaves turn yellow with green veins.
5. a name for the things that can affect photosynthesis (i.e. carbon dioxide concentration, light intensityetc)>
8. is a gas essential for photosynthesis.
11. is a lot of glucose molecules in a chain.
15. makes up chlorophyll