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Catalysts, reactants, or products? The final unit in the middle school chemistry module examines chemical changes. Tweens perform experiments to determine what factors impact the rate of chemical reactions, study energy changes, both exothermic and endothermic, and practice using the pH scale to identify acids and bases.
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natural resources, chemical changes, plastic, medicine, fuel, chemical reactions, engineering design, constraints, prototypes, temperature, reptiles, carbon dioxide, acidity, solutions, climate change, neutralization, acids and bases, indicators, endothermic reactions, exothermic reactions, reactants, products, chemical bonds, energy, catalysts, rate of reaction, precipitates, molecules, amorphous solids, chemical equations, conservation of mass, physical capital, combustion
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