Liquid Nitrogen Bottle Rockets Liquid nitrogen floats on top of the warm water, expanding thus propelling the soda bottle upwards with extreme force. Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts Oil and Water Permanently Mixed for the First Time Man vs high powered fan How many Coconuts does it take to stop a bullet? Top 5 Weirdest Experiments Kids Experiment Crushing a Steel Drum Using Air Pressure What Would Happen If Water Filled Up A House?