Bacterial Movement Through Water Part 2- Dilution/Powers of Ten

Pupils make dilutions using dulution trays. They keep track of their dilutions and the concentrations of solute, to parts per million (ppm) and parts per billion (ppb), in order to have an comprehension of the terms. Students make inferences about the effect of dilution on fecal bacteria concentration in water near Hobie Beac related to the sewer pipe break.

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9th - 12th
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Lesson Plans
2 hrs
Instructional Strategies
Inquiry-Based Learning
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