Voltaic cell with coins and washers

DIY battery: Coins and washers.

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Construct your own voltaic cell with everyday items like coins and washers to explore electricity generation through a chemical reaction.

To create a voltaic cell battery using coins and washers, follow these steps:

Materials Needed:

  1. Coins: You can use coins of your choice, preferably copper coins like pennies or euro cents, as they have a copper coating.
  2. Washers: Find washers that have a coating of zinc.
  3. Cardboard: You'll need cardboard to make the electrolyte.
  4. Saltwater Solution: Prepare a saltwater solution by mixing two tablespoons of table salt with water. 

  • 1 × Coins
  • 1 × Washers
  • 1 × Cardboard
  • 1 × Saltwater Solution

  • 1
    Prepare the Coins and Washers:

    Ensure that the washers are clean and free from any oils or contaminants.

  • 2
    Cut the Cardboard

    Cut the cardboard into circular shapes that match the size of your coins and washers.

  • 3
    Dip Cardboard in Saltwater

    • Dip the cardboard pieces into the saltwater solution, ensuring they are well soaked.

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