The four cubes – made of lead, aluminum, ice and oak – have the same volume. Which of the cubes has

The four cubes – made of lead, aluminum, ice and oak – have the same volume. Which of the cubes has: a) the greatest mass; b) the smallest mass?

Since the volumes of bodies are the same, the largest mass will have the cube, the density of which is higher, respectively, the lower – the density of which is less. The highest density has lead 11300kg / m3, the smallest – oak 800kg / m2 a) lead cube, b) oak cube.