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The report clearly executes an experiment to see if pH affects the rate of a reaction and correctly explains the collection of the balloon's circumference. The tool list is accurate, including a tape measure, and the conclusion accurately confirms the hypothesis with well labeled data tables. The literature review of two sources is unclear without in-text citations. Logical explanation of what the dependent, independent, and controlled variables are in the investigation, what to do to reduce the threats to internal validity, the process of developing the hypothesis, and the use of appropriate methods, tools, and technologies to collect quantitative data are not evident in the report. The conclusion is incomplete is explaining experimental design, replication, and validity and a graphical representations of the data collected is not apparent.

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