Kerri Grummett

Kerri Grummett

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Dylan Petsche recently attended the Southern Minnesota Regional Science Fair held at Minnesota State Mankato. His project, "Which Beverage Stains Your Teeth The Most?" was awarded a Purple ribbon and won a Silver Medal and Wal-Mart Gift Card. There were 61 school districts represented. Dylan used egg shells (eggshells and teeth share a compositional element, calcium) and soaked them in Coke, Tea, Coffee, and Grape Juice where Grape Juice stained the most. Dylan is in Mrs. Prchal's 5th Grade…

Dylan Petsche recently attended the Southern Minnesota Regional Science Fair held at Minnesota State Mankato. His project, "Which Beverage Stains Your Teeth The Most?" was awarded a Purple ribbon and