The EZ-Launch bottle rocket ... of air pressure Suitable for children 5 years and older. Adult supervision required at all times. You can use a bicycle pump or air compressor to pressurize the ...

If there are visible gaps or you can hear air escaping, consider using some glue, sealant, plasticine or Blu-Tac to make it more airtight. For the most impressive bubbles, experiment with the ...

This stunt has lots going on: air pressure ... and other forces transformed science. Oh, and an apple may have fallen on his head. The water bottle rocket demonstrates two of his laws.