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مقاس50*10*5 مزدوج
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.
Metal, painted, with spout.
Four cylinders of Copper, Brass, Steel and Aluminum, each 13 mm diameter and 50 mm long.
Made of plastic, 10 cm square, side divided in square cms, having detachable top of 1 cm, 1 line of 10 cms and one cube of 1 cm.
