@sciencesparks: If you want a cold drink quickly place it in a mixture of water, ice and salt. The salt lowers the melting/freezing temperature of the ice, making the water temperature drop below zero ( freezing point depression ). When salt is added to the icy water mixture the ice starts to melt. Melting requires energy. The ice absorbs heat energy from its surroundings ( the water and drink ) to melt. This means the water in the bowl and the drink get very cold, very quickly. #sciencetok #scienceexperiments #sciencehack

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Tuesday 06 June 2023 12:39:29 GMT