Filters: Your search found 2 results.
Topics/Subjects:
Ocean and water  
Instructional Strategies:
Lab procedures  
Learning Time:
30 to 45 minutes  
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This learning activity engages students in measurement of pH in water and soil samples, plants and other natural materials. By mixing different substances, they observe how pH changes, and become familiar with the pH of common household products.... (View More)

In this introductory classroom activity, students exercise their scientific skills of observation and deduction as they use their senses and simple laboratory assays, such as pH indicator paper, to identify mystery pollutants in water samples.... (View More)

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