Turn on the desk lamp and place a small feather above it. Describe what you are observing. Explain the type

Turn on the desk lamp and place a small feather above it. Describe what you are observing. Explain the type of heat transfer associated with the observed phenomenon.

Fluff begins to move. this is explained by natural convection: the air around the bulb heats up and rises. its place is taken colder. these currents and air movements make the fluff move

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.