Give examples of mechanical, thermal and electrical phenomena.

Mechanical phenomena: the movement of physical bodies – a person, a car, planets around the Sun.
Thermal phenomena: heating of objects, solar radiation, liquid expansion; Electrical phenomena: lightning strikes, northern lights.

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.