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        Images of the Past | Compound vs. Mixture: A Simple Separation

        During this activity your students will learn about compounds and mixtures. They will learn how a chemical change (reaction) is needed to break apart a compound and how mixtures can be separated by physical procedures. Your students will learn how workers at the Golden Reward Mine used a cyanide solution to chemically remove gold and silver from the ore they mined. Then your students will complete an activity in which they will use physical techniques to break apart a mixture.(Lesson Plan)

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