US$ 38.99
101-piece teacher-grade molecular model set with 51 atoms and 50 bonds covering carbon
heating the bar until it no longer passes through the opening and contraction returns it
sized for ripple tank and bulb-driven physics demonstrations
this polished hardwood funnel stand holds two 1
5-Material Equal Mass Density Set (Aluminum, Brass, Nylon, Acrylic, PVC) Metal Labware_Metal Bases & Rods 101-piece teacher-grade molecular model setEqual 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.
US$ 38.99
US$ 14.90
US$ 38.99
US$ 145.00