Make a launchpad that holds the bottle with the neck downwards, lets you attach the pump and stand behind the bottle. One good method is to plant a spade or garden fork in the ground at a low angle ...

Build and launch a rocket powered by a chemical reaction between baking soda and vinegar! This exciting experiment demonstrates how chemical reactions can create pressure, and how that pressure can be ...

This stunt has lots going on: air pressure, a satisfying 'whoosh' noise, a high speed departure and a good soaking if you are standing close. It's classic science that's fun to do as a family or a ...