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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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acidity, acids and bases, carbon dioxide, catalysts, chemical bonds, chemical changes, chemical equations, chemical reactions, climate change, conservation of mass, energy, engineering design, medicine, molecules, natural resources, neutralization, products, rate of reaction, reptiles, solutions, temperature, plastic, combustion, constraints, endothermic reactions, exothermic reactions, fuel, indicators, physical capital, precipitates, prototypes, reactants, amorphous solids
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