Copper-Iron Thermopile Lab Supplies_Tongs and electromagnet to map mechanical/electrical/light/heat

and electromagnet to map mechanical/electrical/light/heat conversions

Clear-coated wooden A-ramp at 17 inches long paired with a double-ended cone roller that appears to travel uphill while its center of mass actually descends along the diverging rails

this hydrometer ships in a hard plastic protective case

this ten-piece brass hooked weight set pairs five 50-gram and five 25-gram pieces with retractable hooks on both ends

For driving student-built electronics and optics circuits

Copper-Iron Thermopile Lab Supplies_Tongs and electromagnet to map mechanical/electrical/light/heatSeven junction copper and iron thermopile from four 130mm wires of each metal, the series arrangement amplifying the Seebeck voltage for radiant heat detection experiments.