Cubes, Metal, Assorted

Four cylinders of Copper, Brass, Steel and Aluminum, each 13 mm diameter x 50 mm long.

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 Archimedes principle, all brass, bucket with suspension loop at top and a hook at bottom, with the cylinder having a suspension hook at top. Cylinder is 50 x 16 mm dia., overall length including hook and suspension loop is 110 mm approx.