Photosynthesis Lab

Discussion Questions

Part One:
1. Why were the plants kept in the dark prior to the experiment?  Why is this important?

2. Why is it important to boil the leaf?

3. Explain why it was necessary to use boiling alcohol?

4. What is the purpose of the iodine? 
Part Two: 
5. What is the purpose of keeping the leaf in the dark and then covering it with a cardboard cut-
    out?

6. What conclusions can you draw from this part of the lab? 
Part Three:
7. Why was a variegated leaf used in this experiment?

8. What conclusions can you draw from starch production in a variegated leaf?
Part Four:
9. In this experiment what was the purpose of adding the soda lime?

10. Why was a sealed bag placed around each plant?

11. What happened in the control plant?

12. What conclusions can you draw from this part of the lab?