They had practical exams as well. Professor Flitwick called them one by one into his class to see if they could make a pineapple tapdance across a desk. Professor McGonagall watched them turn a mouse into a snuffbox - points were given for how pretty the snuffbox was, but taken away if it had whiskers. Snape made them all nervous, breathing down their necks while they tried to remember how to make a Forgetfulness potion.