Comparative Mechanics Ball Set, 4-Piece (Aluminum, Brass, PVC, Steel) Subcategory_Entomology Supplies supplied in five colors at

supplied in five colors at two leads per color so paired wiring stays color-coded across both sides of a circuit

Two photogates

and sound trigger inputs let this 20W stroboscope freeze fast-moving objects

visualizing the forces at play during thermal contraction

3 glass holds 100mL with white graduations and glass key stopcock for titration and volumetric analysis

Comparative Mechanics Ball Set, 4-Piece (Aluminum, Brass, PVC, Steel) Subcategory_Entomology Supplies supplied in five colors atComparative mechanics set of four spheres aluminum, brass, PVC, and steel for quantifying how material, mass, and density influence momentum transfer in collision experiments.