Ages back I started a repo that I keep meaning to go back to - important experiments that kids can replicate - this should be one of them.
Edit: <a href="https:&#x2F;&#x2F;github.com&#x2F;mikadosoftware&#x2F;importantexperiments4kids" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;mikadosoftware&#x2F;importantexperiments4kids</a>