Physical Science - Chemical Reactions

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Explores the characteristics of chemical reactions by analyzing some simple everyday chemical reactions. It also introduces chemical equations and shows students how to balance chemical equations via colorful animation. Synthesis, decomposition, and replacement reactions are described. The energy dynamics of chemical reactions is conveyed, while explaining endothermic and exothermic reactions. Students will investigate the influence that concentration, surface area, temperature, and catalysts have on an actual reaction. Video comes with teacher's guide, 10-question quiz, and six blackline masters. 18 minutes. Grades 5-8.