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Investigating Density Currents
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In this lab activity, learners explore how to initiate a density current. Learners measure six flasks with different concentrations of salt and water (colored blue).
Weighty Questions
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In this activity about humans and space travel (page 1 of PDF), learners compare and contrast the behavior of a water-filled plastic bag, both outside and inside of a container of water.
Inverted Bottles
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In this activity, learners investigate convection by using food coloring and water of different temperatures.
Build A Hydrometer
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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.