Silk Cloth Square for Static Demonstrations, 12 x 12" Entomology & Zoology_Entomology Supplies Heavy-base Bunsen burner adds stopcock

Heavy-base Bunsen burner adds stopcock gas control for fine flame adjustment during chemistry experiments with liquid propane or butane fuel

holding volume constant across specimens for isolated density comparisons

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

Cast-metal base mounts a heavy-duty electromagnet-driven fork at ~80Hz

Four-part plant cell model lifts chloroplast

Silk Cloth Square for Static Demonstrations, 12 x 12" Entomology & Zoology_Entomology Supplies Heavy-base Bunsen burner adds stopcockUsed to draw electrons from glass and ebonite rods during rubbing, this silk square gives friction rods a strong positive charge for triboelectric and electrostatic demonstrations.