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Water Body Salinities I
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In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries.
Water Body Salinities II
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In this activity, learners discuss the different salinities of oceans, rivers and estuaries.
Counting With Quadrants
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Millions of organisms can live in and around a body of water.
Creating a Local Field Guide
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In this activity, learners survey living organisms near where they live or go to school, and create a local field guide.