By: author Rookie nursing Science

Did you know that you might easily make a battery in ~ home?

You have the right to do the by utilizing lemons.

You are watching: How to light a bulb with a lemon

Yes, lemons!

Lemons are sour and also carry a many citric acid.

Of course, castle cannot strength your frozen refrigerator or a toy car.

But castle contain enough energy to strength a small LED light and make it irradiate up a bit.

This experiment is not tough at all, but you do require a few special equipment.

They are noted at the end of the instructions below.

Try it. Ns guarantee your kids will beawestruck through this lemon lightbulb!


How To use Lemon To power Light


lemons (You can start through 4. In general, the an ext you use, the much more power deserve to be generated)low voltage LED light bulb (you deserve to buy tiny LED diodes or gain one indigenous an old Christmas string light decoration)copper wiregalvanized nails (the same number as the variety of lemons used)electrical wires or alligator clips


Roll and squeeze the lemons a small bit through hand to relax the juice inside.In every lemon, insert 1 nail and also 1 little strip the copper wire. Leaving a tiny section in each one out for the electrical wires come connect.Using an electrical wire, affix the nail in one lemon to the copper piece in an additional lemon. Perform this to every lemon to kind a chain.
In the firstlemon, affix the copper to the lengthy leg of the LED light. In the last lemon, affix the nail to the much shorter end the the LED irradiate (the much shorter leg comes out ofthe level side the the LED).Voila! You have made a battery.


Batteries are made of 2 different species of metal suspended in one acidic solution.

In this experiment, copper and also zinc (galvanized nails are zinc-plated) room the 2 metals and also the lemon juice is the acidic solution.

An electric present is created when the two metals have different tendencies to shed the negative chargedelectrons.

Because zinc loser electrons an ext readily than copper, zinc is thenegative electrode(anode) and also copper is thepositive electrode(cathode).

When the battery is associated with a LED bulb, the circuit becomesclosed.

Electrons circulation from the zinc electrode with the LED bulb to the copper electrode and the bulb lights up.

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Now it’s time to discover more. Can you try the experiment again through the complying with modifications and see what differences they make?

Use a different type of fruit.Use various other substances such together a vegetable or a cupof tap water as the conducting solution.Use different metals together the electrodes.