Red Leaves Experiment Essay

As Autumn approaches maple leaves start to lose their green color and then turn red, yellow and brown. In observing my first set of maple leaves I noticed a high concentration of black spots in the yellow areas of the maple leaves. This observation brought mine to the question of, Do the dark brown spots appear mostly in the yellow area compared to the red areas on the leaves? The first set of Red Maple leaves I observed black spots that seemed to appear in higher amounts on the yellow areas rather than the red areas. My prediction was that the black spots mostly occurs within the yellow areas more often than the red areas of the autumn red maple leaves. In my experiment that I designed was to collect two more Red Maples leaves and compare them with the first pair.
The Red Maple leaves change from green to red to yellow, finally finishing with brown. At this point, the black spots seem to fade away into the brown color of the leaf. The result from the experiment shows that these black spots appear when leaves to yellow and then disappear as they turn brown. In conclusion, I would say that my hypothesis and predictions were right that the black spots appear in the yellow areas more than the red. This would mean that the black spots prefer the yellow areas more than green,red or brown leaves. But now I am left with a new question about the autumn red maple leaves, what are the black spots and why do the prefer the yellow areas? My best theory right now would be that the black spots like the leaves with yellow areas because the leaf is decaying but still have a little more nutrition than the brown areas. I also theorize that the black spots are some kind of diseases affecting the leaf during its stages before turning brown. I will need to compare more red maple leaves to be sure about my