Benjamin James Glemminge Gordon, 18 år, Hafrsfjord Skole: International School of Stavanger     INVESTIGATION INTO THE EFFECT OF THE NUMBER AND SIZE OF FINS ON THE MAXIMUM ALTITUDE REACHED BY A MODEL ROCKET   A rocket can be defined as a flying vehicle powered by an engine, which ejects a self-carried propellant mass through an exhaust port. The … Continue reading Finalist: Benjamin James Glemminge Gordon