Hydraulic Press

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.

To demonstrate inverse relation between density and volume. Set of 5 metal cubes, Copper, Aluminum, Zinc, Iron and Brass of equal mass 20 gm.

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.