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Rectangular, clear, all sides polished
The four specimens in this set help explain to students the concept of mole. The Mole set contains four element specimens: Copper, Iron, Zinc and Aluminum. Each sample contains one mole, 6.02 x 1023 atoms of the element.
Set of half-inch diameter density cylinders, consists of 12 specimens of the same material but varying lengths, stored in a wood base. Includes a set each for Aluminum, Brass, PVC and Polypropylene. Set of 48.
To demonstrate effect of temperature on the density of a liquid. The Floating Density Ball is a hollow metal sphere which floats when placed in cool water and sink in warm water. diameter of ball is 4, with instructions.
To demonstrate the inverse relationship between density and length. The Aluminium, Copper, Nylon, PVC and Polyethylene specimens are all 12 mm in diameter with 15 gm mass. Lengths range from 15 to 100 mm. Instructions are included.
