[Free Registration/Login Required] Students test water from multiple locations on the Potomac River for dissolved oxygen, nitrates, phosphates, pH levels, salinity, and turbidity. What do these tests tell us about the health of the river? Related videos on land use and species diversity allow us to look at the river through different lenses. [13:41]

Concepts

water quality, water testing, stem

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Additional Tags

ohio env.gp.2, spark 101, spark 101: what does water testing tell us about water quality? / ohio env.gp.2, water testing and monitoring

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Classroom Considerations

• Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Instructional

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