MadSci Network: Chemistry

Subject: My Potato Battery loses power very quickly

Date: Sun May 1 18:44:24 2005
Posted by Meghan
Grade level: 4-6 School: Bay Point Elementary
City: St Petersburg State/Province: FL Country: 33712
Area of science: Chemistry
ID: 1114991064.Ch

I successfully made a potato battery with four potatoes in series and could 
light up a LED. I left the battery for couple of hours (the circuit was open). 
When I tried to light up LED again, there was no power (measured with a 
voltmeter). How can I make my battery to work for couple of days?

Re: My Potato Battery loses power very quickly

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