Freezing point

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When the ice storm is looming in the distance, the salt trucks come out. Why salt? The answer lies in thermodynamics. Salt lowers the freezing temperature of water because it's no longer "just" water. It's a salty solution, like tiny localised oceans, which has a different lower freezing point. There is a lab that you can do to show this to your students. It takes ice, yarn, salt, and a sense of humour. https://insanitek.net/secrets-of-the-ice-thermodynamics-of-why-salt-melts-ice/ Freezing Point, Ice Storm, Boiling Point, Rock Salt, Hands On Activities, Water Supply, The Ice, Best Part Of Me, Line Chart

When the ice storm is looming in the distance, the salt trucks come out. Why salt? The answer lies in thermodynamics. Salt lowers the freezing temperature of water because it's no longer "just" water. It's a salty solution, like tiny localised oceans, which has a different lower freezing point. There is a lab that you can do to show this to your students. It takes ice, yarn, salt, and a sense of humour. https://insanitek.net/secrets-of-the-ice-thermodynamics-of-why-salt-melts-ice/

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