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 Beautiful Chemical Reactions Hair dryers are magical instruments that make paper planes fly forever Is It Dangerous To Talk To A Camera While Driving? Make Your Very Own Alcohol-Fueled Rocket Out Of Empty Water Bottles Supersonic Ping-pong Ball How To Make Solar Concentrating Mirrors