Poly Styrene Collection

Equal volumes of different materials. From left to right are blocks of brass, balsa wood and polystyrene. Although they are the same size

Cockroach locomotion study. Cockroach (Blaberus discoidalis) attached to a candle, runs over a freely rotating polystyrene ball, known as a kugel

Boy playing with a toy aeroplane
MODEL RELEASED. Boy playing with a toy aeroplane. He is six years old

Polystyrene in water, image 2 of 2
Polystyrene in water. Image 2 of 2. It has been pushed under the surface of the water, and is thus displacing an amount of water equal to its volume

Polystyrene floating, image 1 of 2
Polystyrene floating on water. Image 1 of 2. Polystyrene floats as its density (mass in a given volume) is less than that of water

Friction demonstration materials. Collection of different materials that will be used as part of a classroom demonstration of friction

Little boy enjoying a Silver Jubilee tea in the street
A little boy enjoying a Silver Jubilee tea out in the street. He is wearing an enormous home-made hat with 25 YEARS written on it, and is tucking into his glass of jelly

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