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Salinity
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Density floats lab set up
Egg
Hydrometer
Hydrometer in beaker with ring stand
Hydrometer in density currents
Hydrometer in density currents with salt shaker
Hydrometer, close-up of scale
Jar with suspended paper clip
Salt and spoons
Saltwater/freshwater glasses with eggs
Saltwater/freshwater glasses with eggs, labeled
Seawater recipe graphic