Little scientist experiments: Shiny pennies

Here is another easy experiment by Little Scientist Diego. He learnt that lemon juice is an acid and that Water is not an acid. And in the process he made a few pennies shinier 🙂

Tools: two beakers, tweezers, bigger bigger

Extras: dull pennies, water, lemon juice, paper towels

Key science concepts: Lemon juice is an acid. Water is not an acid.

What to do:

Check the video to follow the instructions from little scientist.





Which penny is shinier? The penny that was in the lemon juice is shinier because the lemon juice is an acid and the acid broke down the tarnish on the penny.

About Monica Costa

Monica Costa founded London Mums in September 2006 after her son Diego’s birth together with a group of mothers who felt the need of meeting up regularly to share the challenges and joys of motherhood in metropolitan and multicultural London. London Mums is the FREE and independent peer support group for mums and mumpreneurs based in London http://londonmumsmagazine.com and you can connect on Twitter @londonmums

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