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Just how runny is your honey?

posted 22 May 2019, 08:50 by
What is viscosity?  How can we measure it?  Is tomato sauce more viscous than PVA glue?  These are just some of the questions the Y4s have been trying to answer.  In a series of experiments, the children measured the amount of time a given liquid took to travel along a card when held vertically.  The children discussed working scientifically, including how to conduct a fair test and how best to record their results.  They also discussed the best way to clean honey, salad cream and glue from off their tables!