Polypropylene Filter Funnel, 10-Pack Chemical_Pepsin letting students pull each surface

letting students pull each surface against the same bench to measure mu_s and mu_k

a 75mm-aperture double-concave glass lens at 100mm focal length spreads light through optically worked surfaces and ground polished edges

Illustrates liquid-density changes with temperature using a weighted 75mm hollow copper sphere that floats in 15°C water and sinks as the water warms to 30°C

Five-hundred-gram bottle of reagent-grade sodium bromide

Small group electrochemical series kit teaches standard electrode potentials through galvanic cell construction and voltage measurement activities

Polypropylene Filter Funnel, 10-Pack Chemical_Pepsin letting students pull each surface