Three balls – made of brass, glass and aluminum – have the same volume. Which ball has the greatest mass? the smallest?

The largest mass is for a brass ball, the smallest for a glass one, since with the same volume, the relationship between density and mass is directly proportional.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.