5-Material Equal Mass Density Set (Aluminum, Brass, Nylon, Acrylic, PVC) Metal Labware_Metal Bases & Rods Turning the hand crank walks

Turning the hand crank walks students through every stage of the 2-stroke gasoline firing cycle on a 14-inch model

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

Half-size digestive system model fits smaller class benches while preserving the full esophagus-to-rectum path and accessory organ anatomy in two removable parts

this polished hardwood funnel stand holds two 1

heating the bar until it no longer passes through the opening and contraction returns it

5-Material Equal Mass Density Set (Aluminum, Brass, Nylon, Acrylic, PVC) Metal Labware_Metal Bases & Rods Turning the hand crank walksEqual 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.