MATTEO “Time’s up!” Mr Alberto announced as the timer he’d set dinged. About a minute ago, he’d written a question on the board and announced that everyone had sixty seconds to think up a suitable answer. It was a simple question but knowing that he was a visiting chemistry professor, there was always an underlying argument that he wanted to challenge us to unearth. Feeling confident that I’d bag the extra credits he promised, I raised my hand before anyone else. “Yes, Mr. Moore?” I stood up as he called to me, “Tell us the difference between a chemical process and a physical process in chemistry,” he repeated the question on the board. Child’s play, I was about to ace this s**t. “A chemical process is any process that involves an active chemical reaction while all other processes in