What's the difference between convection and conduction? A puzzling question lands you in the wondrous world of energy. Have hands-on fun by heating up a water balloon, and get to know James Prescott Joule, a physicist, who discovered the mechanical force of heat. The place to go to answer all your science-related questions - it's the One Stop Science Shop. Do-it-yourself experiments, a hologram entry phone, and fun stories about great scientists help visiting kids to understand some of the trickiest principles of science.