Прочитайте текст и выберите утверждение, соответствующее содержанию текста
Heat is the energy possessed by a substance in the form of kinetic energy of molecular movement, rotation, and vibration. Usually measured in calories. Transmitted by conduction, convention and radiation. The chief observable, physical effects of a change in the heat content of a body may include rise in temperature; change of state from solid to liquid, solid to gas, and liquid to gas; expansion; and electrical effects.