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    In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream. Pairs of learners will combine ingredients in a plastic bag and then add...

    $5 - $10 per group Ages 6 - 14 30 to 45 minutes
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    In this quick activity, learners observe how salinity and temperature affect the density of water, to better understand the Great Ocean Conveyor. Learners observe what happens when they add...

    1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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    In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater. This...

    1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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    In this activity, learners explore the different salinities of various sources of water by taste-testing. Learners will taste water samples with the appropriate amount of salinity representing...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    In this activity, learners model estuaries, artificially enriching both fresh and salt water samples with different amounts of nutrients and observing the growth of algae over several weeks....

    $5 - $10 per group Ages 14 - 18 1 to 4 weeks
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    In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model. Learners then study the actual spill,...

    Over $20 per group Ages 14 - 18 2 to 4 hours