Helps students understand the importance and value of fresh water and the need to protect and conserve this valuable resource. After completing this lab, students should understand the difference between point source and non-point source pollution as well as the role of nitrates and phosphates in the process of eutrophication. Kit includes 1 Nitrate solution (50 ml), 1 Phosphate solution (50 ml), 1 Nitrate/Phosphate solution (50 ml), 60 plastic cups, 1 box of microscope slides, and 1 box of coverslips. Kit contains enough materials for 15 groups plus a Teacher’s Manual and Student Study Guide copymasters.
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