Dip the cork in water to make it wet. Pour some vinegar into the bottle and push in the cork as quickly as you can. Stand back and wait for the cork to pop out. Most explosive work by using some special mixture of chemicals to make a large amount of gas move very quickly. The blast of gas blows things up with a bang.
Some rockets work in the same way.
The fuel in them makes a great blast of gas. This spurts out the end of the rocket and pushes it up and along in space. Homepage Last modified on Tuesday 8th October 1996. Copyright 1996 Singapore Polytechnic Project.