Resistance Substitution Board, 33Ω - 10MΩ Subcategory_Reflection and Refraction fanning apart visibly when a

fanning apart visibly when a charged rod approaches to demonstrate electrostatic repulsion and induction

Designed to electrolyze water into separately collected hydrogen and oxygen

Virtually friction-free 2-meter air track shipped with vehicles

and 6V-powered ignition light staging each step

the half-size circulatory model traces arterial and venous pathways from heart to peripheral capillaries

Resistance Substitution Board, 33Ω - 10MΩ Subcategory_Reflection and Refraction fanning apart visibly when aRotary knob resistance substitution board offering twelve discrete values from 33 ohms to 10M ohms with 4mm lead connections, sized to drop different loads into a circuit without rewiring.