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Dundela Infants' School and Nursery Unit, Belfast

STEM Experiment 🐧 🧊

31st Jan 2025

Today our class had an important job of defrosting the penguins from the ice cubes! We had a range of items to help the ice melt. Our job was to predict which item would melt the ice the fastest! We used - salt, sugar, warm water and a hand dryer. 

The children predicted that the warm water would melt the ice the fastest. However, when we completed the experiment, we realised that it was the salt with warm water that melted the ice the fastest. 

We learnt that salt melts ice due to a process called freezing point depression. What clever clogs we are! 🐧 🧊