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In this activity, learners explore the different salinities of various sources of water by taste-testing.

In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.

In this online interactive simulation, learners will add different salts to water and then watch the salts dissolve and achieve a dynamic equilibrium with solid precipitate.