Torsion of Metal Rods Apparatus, Searles, Horizontal pattern, having heavy metal pulley, two heavy metal brackets and two graduated scales are mounted on the connecting rod & two pointer can be clamped on the test rod with one brass & one steel test rod
Racing Rings consists of three rods one each of copper, aluminum and PVC, Ring magnet is dropped down the PVC rod, it falls unobstructed, Two metal rods create an induced magnetic field to that adds resistance to the rings travel, metals are different, they fall at different rates
VWR Nylon Rope Trick and Synthesis Kit, provides materials for two different experiments allowing students to create two different types of nylon - Nylon 66 and Nylon 6-10, One is stringy and one is blobby, should be performed in a well-ventilated area