This Identifying and Explaining Reactions lesson plan also includes:
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Introduce high schoolers to chemical reactions with this series of activities. In a little over an hour, scientists observe four gas-producing reactions: the combination of hydrochloric acid and sodium hydroxide, placing pasta in vinegar, decomposition of ammonium chloride, and the mixing of iron with sodium chloride and water. In each, they identify the indicator that a chemical reaction occurred. The way the lesson is written leaves you well-prepared.