Our Coin Cleaning Experiment

The coins in our café were not shiny. Mrs Husbands suggested that we could clean them with ketchup!!

coin1

Emily thought we should put them in water and scrub them. Lucas suggested that we needed soapy bubbles and Thomas thought hot water would be better than cold.

 

We set up our experiment with ketchup, hot water, hot soapy water and cola as well.

coin2

Then we waited…

 

 

 

 

coin3

Can you see which worked the best to clean the coins?

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