The way a jet or turbine engine works is by having a fan at the front of it that sucks in air. The engine also has a built-in compressor that raises the air pressure. Fuel is then sprayed on the compressed air and an electric spark is used to light the mixture. Once this mixture is lit, it creates a mass of burning gas that blasts out through a nozzle located at the back of the engine. When the gas shoots out the back of the engine, it causes both the engine and the jet to thrust forward. Up, up and away!