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This experiment lets students discover the use of the circumference formula in an interesting way. In this experiment, we will use different types of materials (sugar, rice and beans). We will cut different size holes in the bottom of cups and pour the material in, then let it out to form a pile underneath. We will then measure the approximate circumference of this pile to the best of our ability. Our main focus is to compare these results based on how the materials differ and how the size of the hole impacts the circumference. We will work on making predictions, performing calculations and graphing these results. Below is the powerpoint that was used to teach the lesson and also the corresponding worksheet for students to follow along. Results will vary, and any type of material can be used, different size holes can be cut and many different activities can be formulated from this experiment. Enjoy! Here is the link to the powerpoint shown below! |