Among the phenomena below, name the heat ones: water boils in a saucepan, a ball flies into the goal, the sun is shining, a nightingale is singing, the wind is blowing, an echo is heard, firewood is cracking in the stove, water in puddles evaporates, a ship is sailing. Which ones are related to sound phenomena?
Thermal: water boils in a saucepan, the sun is shining, water in puddles evaporates.
Sound: a nightingale sings, an echo sounds, firewood crackles in the stove.
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.