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Lemon Battery

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Daanish Khan

on 26 September 2015

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Transcript of Lemon Battery

Today, we will tell you how to make a battery out of only a lemon! Creating a battery from a lemon is a common project in many science text books. Successfully creating one of these devices is not easy.
Batteries consist of two different metals suspended in an acidic solution. Copper and Zinc work well as the metals and the citric acid content of a lemon will provide the acidic solution.
Batteries like this will not be able to run a motor or energize most light bulbs. It is possible to produce a dim glow from an LED.

We will tell you why we chose this project, what you need, what you need to do in this project, and what will happen. Sit back relax, and grab some popcorn, cuz this will be an awesome presentation!
What to do
Creating the battery: Insert a penny into a cut on one side of the lemon. Push a nail into the other side of the lemon.
The nail and penny must not touch.
This is a single cell of a battery. The nail and the copper penny are called electrodes. The lemon juice is called electrolyte.
All batteries have a "+" and "-" terminal. Electric current is a flow of atomic particles called electrons. Certain materials, called conductors, allow electrons to flow through them. Most metals (copper, iron) are good conductors of electricity.
Electrons will flow from the "-" electrode of a battery, through a conductor, towards the "+" electrode of a battery. Volts (voltage) is a measure of the force moving the electrons. (High voltage is dangerous!)
Connecting the battery to the circuit: Connect two wires to the penny and the nail. Then, you would connect the light bulb to the other ends of the wire.
By: Daanish Khan, Dhruv Sirohi and
Jacob Ponte

Lemon Battery
Why we chose to do this project
We chose to do this project because it's an awesome idea and it seemed cool to make a battery out of a fruit! Also, it would be fun to do. Furthermore, we wanted to learn if you can actually light up a light bulb using lemons!!!!
The lemon: A large, fresh, "juicy" lemon works best.
The nail: Use a 2" common nail.
The penny: Any copper coin will work. (Canadian pennies from 1960 - 2001 all worked)
Light Bulb: An incandescent lightbulb works best.
What will happen
The light bulb should light up, but it may not be very bright. To have the lightbulb brighter, you would need more lemons, copper coins and nails.
As you have seen, electricity can be directed from very unusual sources and we hope you have enjoyed our presentation, and thank you,
merci, and

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