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Exploding coloured milk experiment

What you need:  Food colouring (red, yellow, green, blue) Milk A plate with slightly raised edges Cotton buds What to do: Pour milk into the plate so the entire bottom is covered - about 6mm deep Put a drop of each of the food colourings into the middle of the plate on top of the milk Dip the end of the cotton bud into the centre of the plate, don't stir. Look what happens Try placing a drop of washing up liquid on the other end of the cotton bud.  Place it in the plate and hold for 10 seconds and watch what happens!

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