It's the little things that count. Note just this: "students recorded myself performing the procedure using their school's iPads, photographed the equipment and also diagrams on the board to assist them in carrying out the experiment themselves." But if you look at the photo, they're all wearing their lab coats. You may think it doesn't matter, but I think that it does - when they look at their videos of themselves, they see themselves as scientists. (p.s. I think a better ice-melting experiment would have been to have them take the temperature of the air before, during, and after the ice has finished melting - this would explain quite nicely how global warming can produce an unusually cold winter).
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