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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.

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.

In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

In this activity, learners are introduced to challenges of maintaining temperatures while living in space.