Knife Switch Demonstrator with 4mm Terminals Science at Home_General Science Supplies used to compare reactive-metal electrolysis

used to compare reactive-metal electrolysis behavior against carbon and platinum in the same apparatus

Built for measuring photosynthetic gas exchange

Stabilizer-free Bunsen burner runs on liquid propane or butane for routine chemistry heating at the laboratory bench

dual digital displays monitoring voltage and current simultaneously

Knife Switch Demonstrator with 4mm Terminals Science at Home_General Science Supplies used to compare reactive-metal electrolysisSingle pole double throw knife switch mounted on a 4mm terminal base, letting students reroute a modular circuit between two branches without touching unmounted components.