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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) Through discussion, they learn how pH can be modified in the environment. (View Less)
Audience: Elementary school, Middle school, High school
Materials Cost: $1 - $5 per group of students
Materials Cost: $1 - $5 per group of students
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