US$ 839.50
free-central
a steam-inlet tube
letting students watch the wire travel along the rail as roughly 3A of current crosses the magnetic field
the classic demonstration of differential radiant-heat absorption
and density concepts without needing an electrical power source
3% Hydrogen Peroxide Solution, 100mL Material_Metal free-centralUsed in catalase enzyme demonstrations, DNA extractions, and tissue stain decolorization, this 100mL bottle of 3% hydrogen peroxide serves both classroom chemistry and biology benches.
US$ 839.50
US$ 1607.50
US$ 527.50