Kemtec Science: Elements, Compounds & Mixtures I

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Kemtec Science: Elements, Compounds & Mixtures I Target Grades: 7-10 Number of Students: 24 students working in six groups of four Introduce students to the concepts of elements, c ompounds, and mixtures‚ with special emphasis on separating mixtures by filtration and differences in solubility, chromatography, and evaporation. Students separate two mixtures by filtration and differences in solubility, one mixture using paper chromatography, and one mixture by evaporation. They isolate component colors from the chromatogram to further examine individual components. Includes all required chemicals, vocabulary exercise, and reproducible worksheets and laboratory procedures. Required, but not included: balance and laboratory supplies. Kit Contains: Instructor Manual MSDS Filter Paper Chromatography Paper Black Ink Copper Sulfate Sodium Chloride Copper Carbonate‚ Sulfur Powder Show more