A student investigated the effect of size on the movement of molecules. He cut three different sized cubes from a block of clear
agar jelly. Cube A was 2 x 2 x 2cm. Cube B was 1 x 1 x 1cm and
cube C was 0.5 x 0.5 x 0.5cm. Calculate the surface area to
volume ratio for all three cubes A, B,C