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Cartesian Diver
Source Institutions
In this demonstration, learners observe the effects of density and pressure. A "diver" constructed out of a piece of straw and Blu-Tack will bob inside a bottle filled with water.
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Float Your Boat
Source Institutions
In this physics activity, learners will explore buoyancy.
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Sink or Float
Source Institutions
In this activity, learners will make predictions and experiment with different objects to see if they sink or float.