3. Subjecting flower petals to different conditions, such as soaking in different types of liquids, blowing with hairdryer, freezing it etc. Perhaps I can observe the changes to the flower petal under a microscope.
Both Chin Ying and I are interested in this topic, so if we decide on this particular one, we will focus on different aspects while doing our experiments.
At first, I was keen on soaking flower petals in different liquids, such as oil, alcohol, vinegar and water. I think it will be interesting to track the changes of cells in the petals under the microscope. However, this experiment would be largely qualitative and we were unsure as to how to make it quantitative.
After speaking to Ms Tan about this, I have decided to conduct experiments on how the concentration of alcohol as well as the acidity affect leeching of pigments. (That will be two separate set-ups.) Ms Tan encourages me not to be limited to only flowers, but try on any biological material (e.g. leaves) that has pigments.
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