The above video of then 8th grader Michael Koehler from Pennsylvania explaining Bernoulli’s Principle was my first introduction to the Discovery Education 3M Young Scientist Challenge, the nation’s premier science competition for middle school students. At that time, in 2008, the students were asked to explain scientific principles and Michael was a finalist for his submission, moving on to the in person competition. I was charmed by his presentation and shared it originally on my first incarnation of Joanne Loves Science.

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