Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...

Add Yahoo as a preferred source to see more of our stories on Google. This week's demonstration is all about what to do when life hands you lemons ...

Batteries are made of two different metals - or electrodes -suspended in an acid solution. With this experiment, our metals are the copper (wire) and the zinc (galvanization of the nail). The acid is ...

Watch this shocking DIY experiment showing how a simple battery can be used to create a hydrogen lighter while exploring the surprising science behind hydrogen ignition and creative homemade ...