SubjectsLearning Through InvestigationScienceThe Arts – Visual Art Science investigation: How do we get rainbow milk? May 31, 2018 0 2551 Facebook Twitter Pinterest WhatsApp Email Print Pre-Primary science investigation: How do we get milk? or Rainbow milk! The students observed the chemical reaction between milk, dishwasher and food colouring. It was so fascinating to watch the swirling effect of the colours. Pre-Primary Science rainbow milk 1 of 15