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Coolcappa National School, Coolcappagh, Ardagh, Co. Limerick

🧊 Science Week Experiment - Which Freezes Faster? - Tap Water or Salt Water ❄️

9th Oct 2025

Another Science Week Experiment!

  🧊 Which Freezes Faster? - Tap Water or Salt Water ❄️   The children investigated whether tap water or salt water would freeze first. They discovered that tap water froze much faster, while salt water took longer and needed colder temperatures to freeze.   Through this fun simple experiment, they learned that salt lowers the freezing point of water — the same reason salt is used to melt ice on roads in winter!