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Toothpaste Evaluation Kit | Materials For 12 Pairs of Students | Grades 7-12

SKU: GU15068
Study of the chemical composition of toothpastes. Students evaluate several toothpastes for percent of solids, pH, foam formation, abrasive action, specific substances. They use this data to make judgments about their effectiveness. Materials for 12 pairs of students. Grades 7-12.