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Changing the Density of a Liquid: Adding Salt

Changing the Density of a Liquid: Adding Salt

Learners see that a carrot slice sinks in fresh water and floats in saltwater. Considering the placement of the carrot slice in water and saltwater, learners infer that the density of salt water must be greater than the density of fresh water. As a challenge, learners adjust the density of the saltwater until they get the carrot slice to hover somewhere in the middle of the cup....

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