Learners investigate the pH level of household substances by testing a variety of common compounds. Substances are tested with pH strips and placed on the continuum of the pH scale range of 1 to 14. After testing a solution, the student compares the strip color to the scale provided on the container and gives the solution a rating from 1-14. Using the determined number, the name of the solution is placed on the continuum. Students will find that household substances have a specific pH property which is a characteristic needed for the substance's use. Following the lab, learners will be assigned the task of testing other substances in their home to determine the pH of those substances.

Concepts

acidity, ph

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Additional Tags

basicity, neutralization indicator, investigating ph of common household substances, acid, base, ph scale

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)