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 ...

STEP 1: Tightly wrap the pieces of copper wires around the galvanized nails, leaving a section of wire extending from below the head of the nail. STEP 2: Fill eight of the ice-tray wells, next to each ...

Do you or your teen know what a voltaic battery is? Voltaic batteries come in all shapes and sizes, turning chemical energy into the electrical energy we need to power our cell phones, iPods, tablets, ...

Looks like ice-cube trays are once again proving their versatility as this one is serving as the vessel for a home made lead-acid battery. With a collection of uniformly sized non-conductive ...

Ice cube trays take up a lot of room in the freezer. The Iceorb makes ice cubes in a vertical tray -- and does a few other things as well. Thursday Bram is a freelance journalist of over five years ...

While most ice cube trays successfully freeze water, they can be difficult to maneuver when full, don't release the ice easily, take up too much space in the freezer, or produce misshapen cubes. To ...