Red Cabbage Juice Natural pH Indicator Kit with Color Chart Material_Polycrystalline the cylindrical concave curvature spreading

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

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

reading -30 to 110°C and 30 to 230°F for classrooms teaching both metric and imperial temperature measurement

and ad-hoc experimental setups

Five-hundred-gram bottle of magnesium carbonate pentahydrate

Red Cabbage Juice Natural pH Indicator Kit with Color Chart Material_Polycrystalline the cylindrical concave curvature spreadingRed cabbage juice kit produces natural pH indicators through anthocyanin extraction for hands on chemistry exploration of acid base reactions.