Red Cabbage Juice Natural pH Indicator Kit with Color Chart Material_Polycrystalline and ad-hoc experimental setups

and ad-hoc experimental setups

Hand-crank centrifuge spins two 15mL tubes with a bench-top clamp mount for teaching sedimentation and separation concepts without needing electricity

this motor-driven Van de Graaff generator exposes every stage of charge collection on its silicone belt and aluminum comb assembly

the cylindrical concave curvature spreading light along a single axis for line-focus and divergence demos

Red Cabbage Juice Natural pH Indicator Kit with Color Chart Material_Polycrystalline and ad-hoc experimental setupsRed cabbage juice kit produces natural pH indicators through anthocyanin extraction for hands on chemistry exploration of acid base reactions.