Plankton Collection Net with Vial Type_Cross-Sectional a compound unit for demonstrating

a compound unit for demonstrating multi-rope mechanical advantage in physics activities

and similar simple molecules to teach VSEPR theory and 3D molecular geometry

Straight receiver adapter with cone in borosilicate glass features 19/26 socket and 19/26 cone for distillation collection and apparatus connections

U-shaped valleys

Designed to teach Ohm's law and current-limiting behavior

Plankton Collection Net with Vial Type_Cross-Sectional a compound unit for demonstratingCollection net for aquatic plankton sampling, featuring fine mesh muslin netting, a swivel attachment, and collection vials for gathering microscopic organisms in the field.