Take scissors in one hand and a pencil in the other. Why does the scissors feel colder to the touch?

This is because heat is less transmitted from the fingers to the pencil than to the metal from which the scissors are made. The thermal conductivity of the wood from which the pencil is made is much less than the thermal conductivity of the steel of the scissors. The heat of the fingers is transferred to the scissors more intensively, which is felt to the touch.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.