Using your Observation Skills
We dropped different coloured m and ms into a half full container of water and watched to see what happened.
We saw the dye come off the lollies but it didn't mix for a long time. The coating dissolved in the water and soon we were left with the chocolate middle.
Do you think it would make a difference if you use warm or cold water?
Why didn't the colours mix?
M and Ms have a wax coating which stays on the dye and makes a barrier when the colours meet. 
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