voltaic cell demonstrating redox reaction with led indicators in laboratory setting

voltaic cell redox reaction electricity flow led indicators laboratory beakers wires chemistry electrochemistry science experiment electrical energy chemical conductive materials transfer lab equipment liquid solutions glassware experimental setup sources oxidation reduction electrodes aqueous research processes illumination safety techniques scientific analysis reagent containers visualization analytical ion movement chemist observation test tubes colors electrochemical experiments photonic display petri dish layout stem education tools goggles student demonstrating setting displays bright leds showing surrounded