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HANDS-ON SCIENCE AT HOME: Dancing Milk

2018

TRY THIS AT HOME

Is it magic or is it science? We often encounter things that mysterious and seek to understand them. Science is an exciting way to explore the mysterious, allowing us to gain more understanding and grow our knowledge of the world. Science might not be magic but that doesn’t mean it can be magical!

Magical Science in a Minute
You don’t need hours or expensive equipment to explore the magical world of science. Try these easy to do, cheap science experiments which will only take a minute!

Magical Dancing Milk

You will need
• An earbud
• Food colouring (different colours)
• Glass of milk
• Bowl
• Dishwashing liquid

What to do
Pour the glass of milk into an empty bowl and add a few drop of food colouring (use a mixture of colours). Take the earbud and place a small amount of dishwashing liquid onto the bud. Place this ear bud into the milk.

What to look out for
When the earbud with dishwashing liquid is submerged into the milk, the milk begins to move causing the food colouring to mix. The fats in the milk are interacting with the soap, this is causing observed movement. Remove the earbud and submerged it in a different spot in the milk, the reaction will be observed. Continue doing this and explore the different hypnotic patterns made by the milk and the food colouring.