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Grades 912. Students discover the chemical composition of common substances through hands-on, inquiry-based activities. They build and compare models of a substance's empirical and molecular formulas; perform a combustion reaction to determine the substance's chemical composition and use that information to determine molecular formula and percent composition; and design experiments to determine the percent composition and/or molecular and empirical formulas for common substances.
Grades 912. Students discover the chemical composition of common substances through hands-on, inquiry-based activities. They first build and compare models of a substance's empirical and molecular formulas. Students then perform a combustion reaction to determine the substance's chemical composition, and use that information to determine the substance's molecular formula and percent composition. Finally, students design experiments to determine the percent composition and/or molecular and empirical formulas for common substances. Kit includes enough materials for at least 30 students working in groups of 3. Receive a FREE digital Teacher's Manual and Student Guide with kit purchase.