5-Material Equal Mass Density Set (Aluminum, Brass, Nylon, Acrylic, PVC) Metal Labware_Metal Bases & Rods paired with electroscopes and pith

paired with electroscopes and pith balls in classic electrostatic-charging investigations

Designed for parallel gravity filtration

101-piece teacher-grade molecular model set with 51 atoms and 50 bonds covering carbon

Simultaneous AC and DC output on this low-voltage power supply

sized for ripple tank and bulb-driven physics demonstrations

5-Material Equal Mass Density Set (Aluminum, Brass, Nylon, Acrylic, PVC) Metal Labware_Metal Bases & Rods paired with electroscopes and pithEqual mass density set in aluminum, brass, nylon, acrylic, and PVC, the shared mass isolating volume and density as the distinguishing variables across metals and polymers.