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Investigating Upthrust

In Year 6, we have been investigating the concept of upthrust. We have seen that when an object is placed in water, it will experience two forces: a downwards force as the water is moved to make room for the object ,but also an upwards force as the water pushes back. We made predictions and investigated a range of items to see if they would float or sink. We then presented our findings in the form of a graph.