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how-things-work-science-projects.com/potato-battery

A potato battery project is the last in a series of fruit and veggie battery projects included on this site. Many versions are available, but unless you want to get fancy with the voltmeter, fruit batteries make great science projects for kids since they are both inexpensive and relatively easy to perform.

www.kidzworld.com/article/4726-how-potato-batteries-work

How to Make a Potato Battery. Making a clock run on potato power is easier that you might think. This project is easy, bizarre and makes a sweet science fair project or chemistry experiment.

www.upsbatterycenter.com/blog/make-potato-battery

Make a note of the + and – poles of the battery. Insert galvanized nail into each potato (A and C in Figure 1 below). Again insert copper nail to the opposite side of each potato (B and D in Figure 1 ).

www.sciencebuddies.org/.../project-ideas/Energy_p010/energy-power/potato-battery

Potato battery science project: Investigate how to make batteries out of potatoes using zinc and copper electrodes, connect them in series and in parallel, and use them to power a buzzer and LED. Please enter a search term in the text box.

science.lovetoknow.com/science-fair-projects/how-make-potato-battery

Potato Battery Instructions. This potato battery is a great activity to discuss the transfer of energy, from chemical to electrical energy. It takes about 15 to 20 minutes to complete from start to finish.

sciencing.com/make-potato-battery-6537882.html

It's the juices inside this starchy vegetable that make a potato battery. They are rich in phosphoric acid, they contain all kinds of dissolved salts, and sodium (Na +), potassium (K +) and chloride (Cl-) ions abound. These ions make potato juice an electrolyte, which is a fluid capable of conducting electricity.

www.youtube.com/watch?v=FITxr6bJmd8

To view the next video in this series click: http://www.monkeysee.com/play/6355 This video will show how to make a potato battery.

en.wikipedia.org/wiki/Lemon_battery

Lemon Battery video. Cool and fun animated video explaining in great detail how a lemon battery works from the inside. Orange battery video. The orange battery powers an inexpensive digital watch. on YouTube. Three potato cells in series power a calculator.