Roll up, roll up. You’re going on a day trip to a theme park, to soak up the unique sights, smells and sounds of the fair. Learn about the science behind roller coasters by going behind the scenes and looking at forces in action. Time for some mini investigations into cam mechanisms, gears, pulleys and pendulums to understand further the design elements of the hair-raising rides that we know and love. Okay, ready to ride? Don’t forget to scream if you want to go faster.