1) Well I kinda don't because if white regions have no pigments, meaning that it has no chlorophyll. Without chlorophyll, I don't think that the plants can make carbohydrates, making that part of the plant look white and dead, but the green parts of the plant are keeping it alive.
2) The phenol red changed color because carbon dioxide was being put into the phenol as we blew in it, the changing of the color was showing that it was receiving the dioxide.
3) When we blew into it, it didn't take as long because we were giving it straight dioxide so it changed quickly. It would depend on how much and how fast you blew into it to determine if it changes colors fast. The changing in the plant meant that the plant was taking the oxygen from the phenol and giving it out. With the help of lighting.
4) The test that we did with the lighting was to show if it was really needed that the water plant needs light as well to fully go through photosynthesis and that test was proven that light was needed. We had a plant in light and a plant out of light to compare the two.
5) No because that test tube did have carbon fixation to feed off of. So since there was no plant to give it carbon, the test tube with no plant stayed the same, even when it was in light.
6)
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