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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).
Root Beer Float
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In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water.
Make a Balance / Scale
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In this activity, learners create a kind of balance device using a wire coat hanger, some string, and paper cups.
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.