CHEMICAL REACTION: Make a swirling rainbow of colour from milk


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CHEMICAL REACTION: Make a swirling rainbow of colour from milk

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  Last updated May 17, 2018 at 9:54 am

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Have you ever wondered what to do with the little bit of milk left at the bottom of your bowl? Use a chemical reaction to turn it into a swirling rainbow of colour.


What you’ll need:


2 x white plates

1 x jug of tap water

Full cream milk

Food colouring

1 x small bottle of dish detergent

1 x cotton bud/tip


Education Resource:


CHEMICAL REACTION: Make a swirling rainbow of colour from milk



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Questacon is Australia’s National Science and Technology Centre. Working towards our vision for a better future for all Australians through engagement with science, technology and innovation, we deliver inspirational learning experiences across Australia and globally.


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