Metal Spouting Cylinder Item Type_Shot Glass Two-hundred-fifty-gram push-pull balance in an

Two-hundred-fifty-gram push-pull balance in an acrylic tubular body

Compares 2-

Hand-painted dicot root transverse section model exposes epidermis

Nickel-plated T-pins provide secure specimen pinning with broad heads for stable dissection board mounting in biology laboratories

showing that air resistance — not mass — accounts for differences in fall time under gravity

Metal Spouting Cylinder Item Type_Shot Glass Two-hundred-fifty-gram push-pull balance in anMetal spouting cylinder with multiple outlet holes at different heights, producing water jets of varying distances to show how pressure increases with depth in hydrostatics.