US$ 24.20
sized for ripple tank and bulb-driven physics demonstrations
this silicone-belt Van de Graaff generator demonstrates charge conservation
Fullerene C60 kit with 60 atoms and 90 bonds for building the spherical cage structure characteristic of fullerene carbon allotropes
Four-cylinder equal-mass set at 100g each in copper
and harmonic frequency relationships
Brownlee Water Electrolysis Apparatus Item Type_Shaker sized for ripple tank andDesigned to electrolyze water into separately collected hydrogen and oxygen, this Brownlee pattern apparatus gives a clean visual proof of the 2: 1 stoichiometry of water decomposition.
US$ 24.20
US$ 23.00
US$ 38.50
US$ 432.50