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Gibberillic Acid's Effect on Plant Growth

Students will begin the project by gathering tools including fast plant seed. For forty days students will observe and maintain their plants. A "mystery solution" is given to the students to spray on fast plants during their growing process. "Mystery solution" is made by the teacher to establish a placebo. The students will not know until after they record their data which plant they are spraying with water and which they are spraying with a gibberellic acid solution. Students will be expected to record and analyze data daily about their plants. While plants are growing students will determine which plant has been stimulated by gibberellic acid. At the end of the project students will make a presentation to the class about the results of their lab and which plant they feel was affected by the gibberellic acid. Students should support this presentation with entries from their lab journal, data from Excel graphs and information from the stella model.