Flash Science: Hydrogen Bubbles
Passing a current through water makes hydrogen and oxygen gas, which fill a bubble that can be ignited.
1 1-liter bottle
8 9-Volt batteries
6 Stainless steel nails or screws
6 Clip leads
Lighter or match
Flash Science is our newest Shopcast. These quick videos show flashy science experiments that can be done with everyday objects. All of these experiments are designed to be done by adults, or with careful adult supervision.