Spring, Steel, Extension

To demonstrate the inverse relationship between density and length.The specimens, Aluminium, Copper, Nylon, Polyvinylchloride and Polyethylene, are all 12 mm in diameter with 15 gm mass. Length range from 15 to 100 mm. Instructions are included.

The four specimens in this set helps the students to explain concept of mole. The Mole set contains four element specimens: Copper, Iron, Zinc and Aluminium. Each sample contains one mole, 6.02 X 10²³ atoms of the element.