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The Coin Battery

You will need:

  • 1 bowl of vinegar
  • 19 strips of paper, 3cm square in size
  • 10 'silver' coins...it's not really silver, it's mainly Zinc
  • 10 copper coins
  • A test subject!

    Copyright

Instructions


1. Moisten the strips of paper in the vinegar

2. Stack a pile of coins, alternating the two types of coins.

3. Now separate each coin type with a piece of vinegar soaked paper.

4. Moisten your finger tips in vinegar.

5. Hold the coin stack on the ends with the moistened fingers.

6. Feel a buzz?

coin-battery

Use this image as a guide to what to do

Be Amazing Book Front Cover; Ben Newsome, teacher & founder of Fizzics Education. Be Amazing -how to teach science the way primary kids love
Be Amazing!
How to teach science, the way primary kids love

 
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Why does this happen?

You just made a wet cell battery. A battery usually contains two types of metals separated by an acid. A chemical reaction between the two metals produces an electric current that continues until one of the metals is used up. 

You can find wet cell batteries in cars but don't experiment with them, the electricity within a car battery can be very dangerous. 

Find out more about how batteries work.

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