Water Quality and Nitrates & Phosphates

Students examine the effects of nitrates and phosphates on the dissolved oxygen levels in different water sources. In this series of 3 lessons, they consider the reasons for nitrate and phosphate level increases and their effects on biodiversity.

6th - 10th Science 3 Views 2 Downloads
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Lori H.
I have been extremely happy with the materials I've located. I'm always looking for new ways to spice things up with my high school students. I use group activities quite often to help my students so finding other ideas is a time-saver for sure. Member since 2010.
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Phoenix, AZ