Planting Science - Projects: camsdavisspring2021 project 2
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camsdavisspring2021 project 2

Project by group camsdavisspring2021

Explore From previous classes and exposure to plants, we know that the process of photosynthesis is characteristic of plants, although not unique, and we know that plants contain chloroplasts, chlorophyll, and cellulose. Furthermore, we know that the trunks of trees may have cankers, or cracks, which may indicate information as to the health of the trees. Moreover, we know that the exposure of roots can indicate damage to the tree, and the presence of shoots indicates that the tree is likely suffering from stress. We are curious to learn more about the role of sunlight exposure in a tree’s health. Perhaps sunlight dictates the presence of moss, bacteria/pest, and more. Furthermore, we are interested in the different types of insect damage specifically on the leaves that may impact a plant’s health. And lastly, we are concerned about different types of fungal damage to a plant especially at the trunk and roots.
Research Question What are the effects of varying levels of sunlight on leaf health as measured by the area of yellowing on the leaves?
Predictions The trees that are exposed to greater levels of sunlight will most likely have more yellowing (greater area of yellowing) on the leaves by the end of the experiment. The yellowing represents damage, therefore the tree more exposed to solar radiation will be more damaged (less healthy).
Experimental Design Refer to files. The file is titled "Group 2_Experimental Design".
Investigation Theme TREE
Grade Level High School Students (Grades 9,10,11,12)
Teacher Name Crystal Davis
School Name California Academy of Mathematics and Science
Session Spring 2021

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NSF_Logo.jpg This material is based upon work supported by the National Science Foundation under Grant #2010556 and #1502892. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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