During this lab students will change three variables on the pendulum- length of string, angle of release, and mass of the bob. They will test and understand the relationship between the variable being tested and the period. This lab takes 2 days- day 1 is spent understanding the variables and figuring out relationships, and day 2 is spent collecting data. This is great for a high school physics class or can also be used in any science class to reinforce the scientific method, variables, and understanding why we only change one variable at a time. Materials needed for each group: Ring stand (or some way to hang the pendulum), string, hanging masses, stopwatch, and a protractor.
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