Nurture Group - Year 1 - Science Experiment: Leak Proof Bag
Today in nurture we did a science experiment. We stuck sharpened pencils through a bag full of water and much to everyone's surprise, the bag did not leak!
This is because the bag is made of a polymer - which is long, flexible chains of molecules. when you poke the pencil through the bag, the molecules spread apart and then seal themselves around the pencil.
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