Whiz Bang Zoom - Mad Science Author:Kathy Burkett Mr. Flask settles a food fight in the cafeteria with a lively unit on energy. And when his students find out he has a giant catapult in his basement they're even more energized about the topic. So is Professor von Offel. He needs to get rid of those pesky long-lost relatives he mistakenly brought back to life. If he could just get his hands on t... more »he Flask family science papers locked up in the Arcana library, he might find a solution. Now, a giant catapult could be very handy for a break-in...« less