Look at the crystals of table salt under a magnifying glass. Explain which “skilled craftsman” gave them the correct shape.

Salt is a crystalline solid. Its correct form is due to the fact. that the molecules are arranged ordering, forming a crystal lattice.

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.