| MadSci Network: Chemistry |
To make a battery with magnesium, all you need is another metal and an
electrolyte solution, plus a couple of wires.
The simplest electrolyte is salt water, or you could use vinegar. To
get a good voltage from your battery, use copper as the other metal. You
won't get much power though, but you will get a good reading on a
voltmeter.
See the diagram for how to set it all up.
Clean the metals with sandpaper first. If the voltmeter needle goes
backwards, just connect the wires the other way.
Try the links in the MadSci Library for more information on Chemistry.