Mix sugar and water. Pour the water into plates, covered with foil. Add different colors to each plate. We used red and blue food colouring to make purple.
On the second day, some of the water had gone into the air. The water on the plate was less, and was quite syrupy.
On the fourth day, only a little bit of water was left and there was sugar left on the plate. The sugar cannot evaporate, only the water can evaporate.
When all the water had evaporated, the sugar was dry and we put it on a plate and we made coloured sugar. - Niamh
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