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Students observe chemiluminescence and explain how electrons release energy during their transition from an excited state to their ground state with this popular demonstration. Amaze your students when you mix a dry luminol mixture with water to produce a beautiful blue glow. A second demonstration simulates presumptive blood testing. Easy preparation and procedure makes this a hit with teachers. Big Picture Questions and a particle-level explanation solidify students' grasp of the concepts including redox reactions, electromagnetic radiation, and the conservation of energy. This demonstration requires approximately 15 min, and materials are sufficient for 5 demonstrations.
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